Gr 11 Math Lit: Ch 4 Sum Maps, Plans and other Representations

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Questions and Answers

What is the primary purpose of using a national road map?

  • To identify the locations of streets within a city
  • To determine the positions of houses within a housing complex
  • To plan a route and estimate traveling costs and times (correct)
  • To measure the distance between two points on a map

What is the advantage of using a strip chart over a national road map?

  • It is more useful for identifying locations of streets within a city
  • It is a more detailed representation of a housing complex
  • It allows for more accurate traveling distances on specific sections of a route (correct)
  • It provides a more detailed view of major cities and towns

What is the purpose of a street map?

  • To measure the distance between two points on a map
  • To determine the positions of houses within a housing complex
  • To plan a route and estimate traveling costs and times
  • To identify locations of streets and other locations within a city (correct)

What is the formula to convert a map measurement to an actual distance?

<p>Actual distance = Map measurement × Scale factor (A)</p> Signup and view all the answers

What is the advantage of using a scale on a map?

<p>It enables the estimation of traveling distances when a distance table or distance markers are not provided (B)</p> Signup and view all the answers

What skill is required when using a housing complex map?

<p>Working with a map that shows a small area with limited detail (C)</p> Signup and view all the answers

What is the primary purpose of using a strip chart?

<p>To determine more accurate traveling distances on specific sections of a route (D)</p> Signup and view all the answers

What skill is required when using a national road map?

<p>Deciding on the most appropriate route between destinations (D)</p> Signup and view all the answers

What is a 2D net in the context of building 3D models?

<p>A flat layout that can be folded to form a 3D object (D)</p> Signup and view all the answers

What is the first step in building a 3D model from a 2D net?

<p>Cut out the 2D net from the provided plans (B)</p> Signup and view all the answers

What is the primary goal of measuring materials accurately in the assembly process?

<p>To ensure that materials fit together correctly (A)</p> Signup and view all the answers

What is the purpose of regularly checking the assembled parts against the instructions or plans?

<p>To ensure accuracy and make adjustments as needed (C)</p> Signup and view all the answers

What is the primary goal of estimating the quantities of materials needed for the assembly?

<p>To calculate the cost of materials (A)</p> Signup and view all the answers

What is the purpose of following the assembly steps in the correct sequence?

<p>To ensure that the components fit together properly (B)</p> Signup and view all the answers

What is the first step in drawing a 2D net from a 3D model?

<p>Observe the 3D model to understand its faces and edges (A)</p> Signup and view all the answers

What is the purpose of using mathematical tools and techniques in the assembly process?

<p>To measure and cut materials accurately (C)</p> Signup and view all the answers

What is the primary goal of interpreting instructions or plans for assembly?

<p>To understand the assembly process and identify all components and tools required (D)</p> Signup and view all the answers

What is the final step in the assembly process?

<p>Complete the assembly and double-check all parts (A)</p> Signup and view all the answers

What is the first step to estimate distances on a map?

<p>Start with a known actual distance. (A)</p> Signup and view all the answers

What is the formula to convert the actual distance to the map measurement?

<p>Map measurement = Actual distance / Scale factor (D)</p> Signup and view all the answers

What type of scale is expressed in the format 1:50,000?

<p>Number Scale (A)</p> Signup and view all the answers

What is the purpose of a bar scale?

<p>To show the relationship between measured length and actual distance. (B)</p> Signup and view all the answers

What happens to the number scale when a map is resized?

<p>A new number scale must be determined. (D)</p> Signup and view all the answers

What is the formula to convert the map measurement to the actual distance?

<p>Actual distance = Map measurement × Scale factor (C)</p> Signup and view all the answers

What is the main difference between a number scale and a bar scale?

<p>A number scale shows the relationship between the size of the area of land and the actual size of that area, while a bar scale shows the relationship between measured length and actual distance. (A)</p> Signup and view all the answers

Why can't you determine the exact distance on a map using a scale?

<p>Because many factors, including accurate measurement, where in the city/town a person is traveling to, etc., can affect the accuracy of a distance calculation on a map. (D)</p> Signup and view all the answers

What is the purpose of using a scale on a map?

<p>To estimate distances accurately and plan routes and travels efficiently. (B)</p> Signup and view all the answers

What happens to the bar scale when a map is resized?

<p>The bar scale is resized by the same proportion and the relationship between measured length and actual size also changes proportionately. (A)</p> Signup and view all the answers

What is the primary purpose of a floor plan?

<p>To show the design and dimensions of the inside of a building or structure (D)</p> Signup and view all the answers

What is the main function of an elevation plan?

<p>To show the design and dimensions of the outside of a building or structure (C)</p> Signup and view all the answers

What is the purpose of a design drawing?

<p>To show what a completed item will look like and the dimensions of its parts (D)</p> Signup and view all the answers

What should you do to describe features of a building or structure on a plan?

<p>Identify various elements like rooms, windows, and doors (A)</p> Signup and view all the answers

What is the purpose of using scale to determine dimensions on a plan?

<p>To accurately measure and determine the actual dimensions of features shown on the plan (B)</p> Signup and view all the answers

What is the formula to calculate the plan measure from an actual dimension?

<p>Plan Measure = Actual Dimension / Scale Factor (B)</p> Signup and view all the answers

What is the primary purpose of building 3D models from 2D plans or nets?

<p>To facilitate the movement between 2D and 3D representations of objects (C)</p> Signup and view all the answers

What is the purpose of drawing 2D plans or nets of 3D models?

<p>To visualize a 3D object and represent it as a 2D net (A)</p> Signup and view all the answers

What is the primary purpose of using models in this section?

<p>To investigate various problems related to packaging, perimeter, area, and volume (C)</p> Signup and view all the answers

What is the process involved in moving from a 2D drawing to constructing a 3D object?

<p>Building 3D models from 2D plans or nets (B)</p> Signup and view all the answers

What is the primary purpose of using a national road map?

<p>To plan a road trip and determine the most efficient route (C)</p> Signup and view all the answers

What can you determine using a strip chart?

<p>The most accurate traveling distances on specific sections of a route (C)</p> Signup and view all the answers

What is the purpose of using a grid reference system with a street index on a street map?

<p>To find specific streets within a city (B)</p> Signup and view all the answers

How do you convert a map measurement to an actual distance?

<p>By multiplying the map measurement by the scale factor (B)</p> Signup and view all the answers

What is the purpose of using scales on maps?

<p>To estimate traveling distances when a distance table or distance markers are not provided (B)</p> Signup and view all the answers

What skill is required when using a housing complex map?

<p>Working with a map that shows a small area with limited detail (B)</p> Signup and view all the answers

What is the purpose of using distance tables on national road maps?

<p>To determine the actual distance between two cities (C)</p> Signup and view all the answers

What is the primary purpose of using strip charts along with national road maps?

<p>To provide more accurate traveling distances on specific sections of a route (A)</p> Signup and view all the answers

What is the first step in estimating distances on a map?

<p>Start with a known actual distance (A)</p> Signup and view all the answers

What is the purpose of a scale on a map?

<p>To show the relationship between the map and actual distance (C)</p> Signup and view all the answers

What happens to a number scale when a map is resized?

<p>It is no longer valid (A)</p> Signup and view all the answers

What is the main difference between a number scale and a bar scale?

<p>A bar scale shows the relationship between measured length and actual distance (B)</p> Signup and view all the answers

What is the formula to convert an actual distance to a map measurement?

<p>Map measurement = Actual distance / Scale factor (B)</p> Signup and view all the answers

What is the purpose of using a bar scale on a map?

<p>To show the relationship between measured length and actual distance (B)</p> Signup and view all the answers

Why can't you determine the exact distance on a map using a scale?

<p>Because many factors affect the accuracy of the measurement (A)</p> Signup and view all the answers

What is the formula to convert a map measurement to an actual distance?

<p>Actual distance = Map measurement × Scale factor (A)</p> Signup and view all the answers

What is the purpose of a scale on a map, in terms of route planning?

<p>To estimate the distance of a route accurately (B)</p> Signup and view all the answers

What happens to a bar scale when a map is resized?

<p>It is adjusted proportionally (D)</p> Signup and view all the answers

What is the primary goal of understanding 2D plans/nets in building 3D models?

<p>To understand the correspondence between different shapes and designs of nets and 3D objects (C)</p> Signup and view all the answers

What is the purpose of regularly checking the assembled parts against the instructions or plans?

<p>To make adjustments as necessary to ensure accuracy (D)</p> Signup and view all the answers

What is the primary goal of estimating the quantities of materials needed for the assembly?

<p>To calculate the total cost of the materials (A)</p> Signup and view all the answers

What is the purpose of following the assembly steps in the correct sequence?

<p>To ensure that the components fit together properly (C)</p> Signup and view all the answers

What is the primary goal of using mathematical tools and techniques in the assembly process?

<p>To calculate the quantities and costs of materials (A)</p> Signup and view all the answers

What is the first step in interpreting instructions or plans for assembly?

<p>Identify all components and tools required (D)</p> Signup and view all the answers

What is the primary goal of assembling components in the correct sequence?

<p>To ensure that the components fit together properly (C)</p> Signup and view all the answers

What is the purpose of using rulers, tape measures, and protractors in the assembly process?

<p>To measure materials accurately (C)</p> Signup and view all the answers

What is the primary goal of calculating the time required for each step of the assembly process?

<p>To determine the total time needed for the entire assembly (B)</p> Signup and view all the answers

What is the primary goal of preparing all necessary materials and tools for the assembly?

<p>To ensure that the materials are of the correct size, quantity, and type (C)</p> Signup and view all the answers

What is the primary function of a floor plan?

<p>To show the design and dimensions of the inside of a building or structure (C)</p> Signup and view all the answers

What is the purpose of an elevation plan?

<p>To show the design and dimensions of the outside of a building or structure (D)</p> Signup and view all the answers

What is the purpose of a design drawing?

<p>To show the design, layout, and components of an item to be constructed or manufactured (C)</p> Signup and view all the answers

What is the purpose of matching features between plans?

<p>To connect features shown on a floor plan with those shown on elevation plans of the same building or structure (C)</p> Signup and view all the answers

What is the formula to calculate the plan measure from an actual dimension?

<p>Plan Measure = Actual Dimension / Scale Factor (A)</p> Signup and view all the answers

What is the primary purpose of building 3D models from 2D plans or nets?

<p>To build 3D models from 2D plans or nets (D)</p> Signup and view all the answers

What is the primary purpose of drawing 2D plans or nets of 3D models?

<p>To draw 2D plans or nets of 3D models (A)</p> Signup and view all the answers

What is the primary purpose of using models in this section?

<p>To facilitate the movement between 2D and 3D representations of objects (B)</p> Signup and view all the answers

What is the purpose of using scale to determine dimensions on a plan?

<p>To use a given scale to accurately measure and determine the actual dimensions of features shown on the plan (B)</p> Signup and view all the answers

What is the purpose of understanding compass directions in relation to plans?

<p>To understand terms like North, South, East, and West Elevation and the position of sides of the house shown on these different elevations (B)</p> Signup and view all the answers

What skill is required when using a strip chart?

<p>Estimating traveling costs and times (D)</p> Signup and view all the answers

What information can be obtained from a national road map?

<p>Major routes, roads, and distances between major cities and towns (C)</p> Signup and view all the answers

What is the formula to convert a map measurement to an actual distance?

<p>Actual distance = Map measurement × Scale factor (B)</p> Signup and view all the answers

What is the primary use of a housing complex map?

<p>To identify locations within a small housing complex (A)</p> Signup and view all the answers

What is the purpose of using a scale on a map?

<p>To provide an estimate of the actual distance (B)</p> Signup and view all the answers

What skill is required when using a street map?

<p>Following and providing directions using street names and directional indicators (C)</p> Signup and view all the answers

What information can be obtained from a strip chart?

<p>Locations of towns, other roads, and points of interest on a specific route (D)</p> Signup and view all the answers

What is the purpose of using distance tables on national road maps?

<p>To plan stopping points for accommodation, breaks, or refuelling (A)</p> Signup and view all the answers

What is the formula to convert the actual distance to the map measurement?

<p>Map measurement = Actual distance ÷ Scale factor (A)</p> Signup and view all the answers

What type of scale is expressed in the format 1:50,000?

<p>Number scale (A)</p> Signup and view all the answers

What happens to the bar scale when a map is resized?

<p>It changes proportionally (B)</p> Signup and view all the answers

Why can't we determine the exact distance on a map using a scale?

<p>Because many factors affect the accuracy of distance calculations (B)</p> Signup and view all the answers

What is the main difference between a number scale and a bar scale?

<p>A number scale shows a specific relationship in size, while a bar scale shows a relationship between measured length and actual distance (C)</p> Signup and view all the answers

What is the purpose of using a scale on a map?

<p>To estimate distances accurately (D)</p> Signup and view all the answers

What happens to a number scale when a map is resized?

<p>It becomes invalid (D)</p> Signup and view all the answers

What is the primary purpose of using scales on maps?

<p>To estimate distances accurately (D)</p> Signup and view all the answers

What type of calculation involves measuring a distance on a map and using the given scale to determine the actual distance?

<p>Calculation Type 1 (D)</p> Signup and view all the answers

What is the purpose of a bar scale on a map?

<p>To show the relationship between measured length and actual distance (A)</p> Signup and view all the answers

What is the primary purpose of a floor plan?

<p>To see the design and dimensions of the inside of a building or structure. (D)</p> Signup and view all the answers

What is the purpose of an elevation plan?

<p>To see the design and dimensions of the outside of a building or structure. (B)</p> Signup and view all the answers

What is the purpose of a design drawing?

<p>To show the design, layout, and components of an item to be constructed or manufactured. (D)</p> Signup and view all the answers

What should you do to describe features of a building or structure on a plan?

<p>Identify various elements like rooms, windows, and doors on the plan. (B)</p> Signup and view all the answers

What is the formula to calculate the plan measure from an actual dimension?

<p>Plan Measure = Actual Dimension ÷ Scale Factor (C)</p> Signup and view all the answers

What is the primary purpose of building 3D models from 2D plans or nets?

<p>To facilitate the movement between 2D and 3D representations of objects. (B)</p> Signup and view all the answers

What is the primary purpose of drawing 2D plans or nets of 3D models?

<p>To facilitate the movement between 2D and 3D representations of objects. (D)</p> Signup and view all the answers

What is the primary purpose of using models in this section?

<p>To investigate various problems involving packaging, perimeter, area, and volume. (C)</p> Signup and view all the answers

What process involves moving from a 2D drawing to constructing a 3D object?

<p>Building 3D models from 2D plans or nets. (A)</p> Signup and view all the answers

What is the primary goal of estimating the quantities of materials needed for the assembly?

<p>To determine the actual quantities of materials needed for the assembly. (D)</p> Signup and view all the answers

What is the primary purpose of using 2D plans or nets in building 3D models?

<p>To create a flat layout of the 3D model (C)</p> Signup and view all the answers

What is the main benefit of following the assembly steps in the correct sequence?

<p>It ensures that the components fit together properly (D)</p> Signup and view all the answers

What is the purpose of regularly checking the assembled parts against the instructions or plans?

<p>To ensure accurate assembly (C)</p> Signup and view all the answers

What is the primary purpose of estimating the quantities of materials needed for the assembly?

<p>To determine the cost of materials (B)</p> Signup and view all the answers

What is the main benefit of using mathematical tools and techniques in the assembly process?

<p>It ensures accurate measurement and calculation (B)</p> Signup and view all the answers

What is the primary purpose of interpreting instructions or plans for assembly?

<p>To identify all components and tools required (D)</p> Signup and view all the answers

What is the primary goal of measuring materials accurately in the assembly process?

<p>To ensure that the components fit together properly (A)</p> Signup and view all the answers

What is the primary purpose of drawing 2D plans or nets of 3D models?

<p>To visualize the faces and edges of the 3D model (A)</p> Signup and view all the answers

What is the primary goal of estimating the time required for each step of the assembly process?

<p>To determine the total time needed for the assembly (B)</p> Signup and view all the answers

What is the primary purpose of using a 2D net in building 3D models?

<p>To form a 3D object by folding along specific lines (D)</p> Signup and view all the answers

What is the primary reason why it is only possible to estimate distances on a map using a scale and not to determine distances accurately?

<p>Many factors, including accurate measurement, affect the accuracy of a distance calculation. (B)</p> Signup and view all the answers

What is the formula to determine the actual distance from a map measurement using a scale of 1:50,000?

<p>Actual distance = Map measurement × 50,000 (C)</p> Signup and view all the answers

What happens to a bar scale when a map is resized?

<p>The bar scale changes proportionally. (D)</p> Signup and view all the answers

What is the primary purpose of using a number scale on a map?

<p>To provide a specific ratio of map size to actual size. (B)</p> Signup and view all the answers

What is the formula to determine the map measurement from an actual distance using a scale of 1:50,000?

<p>Map measurement = Actual distance ÷ 50,000 (C)</p> Signup and view all the answers

What is the main difference between a number scale and a bar scale?

<p>A number scale shows a specific ratio of map size to actual size, while a bar scale shows a specific relationship between measured length and actual distance. (D)</p> Signup and view all the answers

What is the purpose of using a scale on a map?

<p>To estimate distances on a map. (A)</p> Signup and view all the answers

What happens to a number scale when a map is resized?

<p>The number scale becomes invalid. (B)</p> Signup and view all the answers

What is the advantage of using a bar scale over a number scale?

<p>A bar scale remains valid when a map is resized. (C)</p> Signup and view all the answers

What is the purpose of using scales on maps?

<p>To estimate distances on a map. (A)</p> Signup and view all the answers

What is the main advantage of using a strip chart over a national road map?

<p>It allows for more accurate estimation of traveling distances. (C)</p> Signup and view all the answers

When using a housing complex map, what skill is required to follow directions to a specific location?

<p>Working with a map that shows a small area with limited detail. (D)</p> Signup and view all the answers

What is the primary purpose of using scales on maps?

<p>To estimate traveling distances and costs. (A)</p> Signup and view all the answers

What is the formula to convert an actual distance to a map measurement?

<p>Map measurement = Actual distance ÷ Scale factor (A)</p> Signup and view all the answers

What is the primary purpose of using distance tables on national road maps?

<p>To estimate traveling costs and times. (B)</p> Signup and view all the answers

What is the main difference between a national road map and a strip chart?

<p>A strip chart is used for estimating traveling distances on specific routes. (B)</p> Signup and view all the answers

When using a street map, what skill is required to identify locations using symbols?

<p>Using a grid reference system. (B)</p> Signup and view all the answers

What is the primary purpose of using a national road map?

<p>To plan routes between major cities and towns. (A)</p> Signup and view all the answers

What is the primary purpose of using a 2D net in building 3D models?

<p>To visualize the 3D object's faces and edges (A)</p> Signup and view all the answers

What is the primary goal of estimating the time required for each step of the assembly process?

<p>To allocate sufficient time for each step (D)</p> Signup and view all the answers

What is the primary purpose of regularly checking the assembled parts against the instructions or plans?

<p>To correct any mistakes or misalignments (A)</p> Signup and view all the answers

What is the primary goal of using mathematical tools and techniques in the assembly process?

<p>To measure materials accurately (A)</p> Signup and view all the answers

What is the primary purpose of assembling components in the correct sequence?

<p>To ensure that components fit together properly (B)</p> Signup and view all the answers

What is the primary goal of interpreting instructions or plans for assembly?

<p>To understand the assembly process (B)</p> Signup and view all the answers

What is the primary purpose of using 2D plans or nets in building 3D models?

<p>To visualize the 3D object's faces and edges (D)</p> Signup and view all the answers

What is the primary goal of estimating the quantities of materials needed for the assembly?

<p>To calculate the total cost of materials (D)</p> Signup and view all the answers

What is the primary purpose of measuring materials accurately in the assembly process?

<p>To ensure that components fit together properly (A)</p> Signup and view all the answers

What is the primary goal of following the assembly steps in the correct sequence?

<p>To ensure that components fit together properly (A)</p> Signup and view all the answers

What is the difference between a floor plan and an elevation plan?

<p>A floor plan shows the design and dimensions of the inside of a building, while an elevation plan shows the design and dimensions of the outside. (D)</p> Signup and view all the answers

What is the main purpose of a design drawing?

<p>To show the design, layout, and components of an item to be constructed or manufactured (A)</p> Signup and view all the answers

What is the formula to calculate the plan measure from an actual dimension?

<p>Plan Measure = Actual Dimension / Scale Factor (C)</p> Signup and view all the answers

What is the primary purpose of building 3D models from 2D plans or nets?

<p>To create a 3D object from a 2D representation (B)</p> Signup and view all the answers

What is the main difference between a floor plan and a design drawing?

<p>A floor plan shows the design and dimensions of the inside of a building, while a design drawing shows the design and layout of an item to be constructed or manufactured. (C)</p> Signup and view all the answers

What is the primary purpose of using models in this section?

<p>To facilitate the movement between 2D and 3D representations of objects (D)</p> Signup and view all the answers

What is the process involved in moving from a 2D drawing to constructing a 3D object?

<p>Visualizing the 2D drawing and representing it as a 3D object (C)</p> Signup and view all the answers

What is the purpose of using scale to determine dimensions on a plan?

<p>To accurately measure and determine the actual dimensions of features shown on the plan (B)</p> Signup and view all the answers

What is the main difference between a floor plan and an elevation plan in terms of the features shown?

<p>A floor plan shows the dimensions and layout of the inside of a building, including lengths and widths of the building, windows, and doors, while an elevation plan shows the dimensions and layout of the outside of a building, including the design of the roof, walls, windows, and doors. (A)</p> Signup and view all the answers

What is the purpose of drawing 2D plans or nets of 3D models?

<p>To create a 2D representation of a 3D object, which can be folded to recreate the original 3D shape (C)</p> Signup and view all the answers

What is the primary purpose of using a scale on a map?

<p>To estimate distances on a map (D)</p> Signup and view all the answers

What is the formula to convert a map measurement to an actual distance?

<p>Actual distance = Map measurement × Scale factor (C)</p> Signup and view all the answers

What is the main difference between a number scale and a bar scale?

<p>A number scale is used for measuring distances, while a bar scale is used for showing the relationship between measured length and actual distance (A)</p> Signup and view all the answers

What happens to a number scale when a map is resized?

<p>The number scale is no longer valid and a new number scale must be determined (A)</p> Signup and view all the answers

What is the primary purpose of using a bar scale on a map?

<p>To show the relationship between measured length and actual distance (D)</p> Signup and view all the answers

Why can't you determine the exact distance on a map using a scale?

<p>Because many factors, including accurate measurement, can affect the accuracy of a distance calculation on a map (A)</p> Signup and view all the answers

What is the formula to convert an actual distance to a map measurement?

<p>Map measurement = Actual distance / Scale factor (D)</p> Signup and view all the answers

What is the primary purpose of using a number scale on a map?

<p>To show the specific relationship between the size of the area on the map and the actual size of that area (D)</p> Signup and view all the answers

What happens to a bar scale when a map is resized?

<p>The bar scale remains the same (B)</p> Signup and view all the answers

Why is it essential to understand that in most cases, it is only possible to estimate distances on a map using a scale?

<p>Because many factors, including accurate measurement, can affect the accuracy of a distance calculation on a map (D)</p> Signup and view all the answers

What is the primary purpose of using a national road map, strip chart, and street map?

<p>To estimate traveling distances and plan routes between cities and towns. (D)</p> Signup and view all the answers

What is the first step in calculating the actual distance from a map measurement?

<p>Measure the distance on the map. (D)</p> Signup and view all the answers

What is the main difference between a floor plan and an elevation plan?

<p>A floor plan shows the design and dimensions of the inside of a building, while an elevation plan shows the design and dimensions of the outside of a building. (C)</p> Signup and view all the answers

What is the primary purpose of a design drawing?

<p>To show the design, layout, and components of an item to be constructed or manufactured. (B)</p> Signup and view all the answers

What is the primary purpose of using a scale on a map?

<p>To convert map measurements to actual distances. (B)</p> Signup and view all the answers

What is the primary purpose of using a strip chart?

<p>To determine more accurate traveling distances on specific sections of a route. (A)</p> Signup and view all the answers

What is the process involved in moving from a 2D drawing to constructing a 3D object?

<p>Drawing a 2D net, then folding it to create a 3D object. (A)</p> Signup and view all the answers

What is the primary purpose of using models in this section?

<p>To facilitate the movement between 2D and 3D representations of objects. (A)</p> Signup and view all the answers

What is the formula to convert a map measurement to an actual distance?

<p>Actual distance = Map measurement × Scale factor (B)</p> Signup and view all the answers

What is the formula to calculate the plan measure from an actual dimension?

<p>Plan Measure = Actual Dimension ÷ Scale Factor (C)</p> Signup and view all the answers

What skill is required when using a housing complex map?

<p>Working with a map that shows a small area with limited detail. (C)</p> Signup and view all the answers

What is the primary purpose of using a street map?

<p>To identify the positions and names of streets within a city. (C)</p> Signup and view all the answers

What is the primary purpose of using scale to determine dimensions on a plan?

<p>To calculate the plan measure from an actual dimension. (A)</p> Signup and view all the answers

What is the purpose of describing the item or object shown on a design plan?

<p>To understand what is represented in the design plan. (C)</p> Signup and view all the answers

What is the primary purpose of using distance tables on national road maps?

<p>To determine the distances between major cities and towns. (D)</p> Signup and view all the answers

What is the purpose of identifying the dimensions of an item or object on a design plan?

<p>To determine the actual dimensions of the item or object. (A)</p> Signup and view all the answers

What is the purpose of describing the different component parts required to make an item or object on a design plan?

<p>To assemble the item or object. (B)</p> Signup and view all the answers

What is the purpose of identifying a cutting list of parts needed to make an item or object on a design plan?

<p>To cut the required parts from a larger piece of material. (C)</p> Signup and view all the answers

What is the main difference between a 2D plan and a 3D model?

<p>A 2D plan is a flat representation of an object, while a 3D model is a three-dimensional representation of the same object. (C)</p> Signup and view all the answers

What is the primary purpose of using mathematical tools and techniques in the assembly process?

<p>To measure materials accurately and calculate quantities and costs. (D)</p> Signup and view all the answers

What is the primary goal of estimating the quantities of materials needed for the assembly?

<p>To ensure that all necessary materials are available. (C)</p> Signup and view all the answers

What is the purpose of regularly checking the assembled parts against the instructions or plans?

<p>To ensure that the assembled parts are accurate and correct. (A)</p> Signup and view all the answers

What is the primary purpose of interpreting instructions or plans for assembly?

<p>To identify all components and tools required for the assembly. (B)</p> Signup and view all the answers

What is the primary goal of measuring materials accurately in the assembly process?

<p>To ensure that the materials fit together correctly. (D)</p> Signup and view all the answers

What is the purpose of following the assembly steps in the correct sequence?

<p>To ensure that the components fit together correctly. (D)</p> Signup and view all the answers

What is the primary purpose of using a 2D net in the context of building 3D models?

<p>To create a flat layout of a 3D object that can be folded into the object. (C)</p> Signup and view all the answers

What is the primary goal of drawing a 2D plan from a 3D model?

<p>To create a flat representation of the 3D model that can be used to create the model. (C)</p> Signup and view all the answers

What is the primary purpose of building 3D models from 2D plans or nets?

<p>To create a three-dimensional representation of the object that can be used to visualize and test the design. (A)</p> Signup and view all the answers

Study Notes

Maps, Plans, and Representations

National Road Maps

  • Show major routes, roads, and distances between major cities and towns in South Africa
  • Skills:
    • Decide on the most appropriate route between destinations
    • Estimate traveling costs and times
    • Plan stopping points for accommodation, breaks, or refueling
    • Use distance tables to determine distances

Strip Charts

  • Show locations of towns, other roads, and points of interest on a specific route
  • Skills:
    • Determine more accurate traveling distances on specific sections of a route
    • Decide on appropriate stopping points for refueling or breaks
    • Estimate traveling costs and times
    • Use distance markers and indicators on the chart

Street Maps

  • Show positions and names of streets and other locations within a city
  • Skills:
    • Identify locations using symbols
    • Follow and provide directions using street names and directional indicators (e.g., left, right)
    • Use a grid reference system with the street index to find specific streets

Housing Complex Maps

  • Show positions of houses within a small housing complex
  • Skills:
    • Work with a map that shows a small area with limited detail
    • Follow and describe directions to a specific location within the complex

Using Scales

  • Use the given scale to estimate traveling distances when a distance table or distance markers are not provided
  • Two types of scale calculations:
    • Type 1: Map Measurement to Actual Distance
      • Measure a distance on a map
      • Use the given scale to convert this measurement to the actual distance
      • Formula: Actual Distance = Map Measurement × Scale Factor
    • Type 2: Actual Distance to Map Measurement
      • Start with a known actual distance
      • Use the given scale to convert this actual distance to the map measurement
      • Formula: Map Measurement = Actual Distance ÷ Scale Factor

Types of Scales

Number Scale

  • Expressed in the format 1:50,000
  • Conversion is straightforward: enlarge or reduce by the scale factor
  • A number scale shows a specific relationship between the size of the area on the map and the actual size of that area

Bar Scale

  • Shows the relationship between measured length and actual distance
  • Measuring with a ruler on the bar scale shows how many measured units are equal to actual distance
  • Different from a number scale in that it does not state how many times smaller the map is from the actual size, but rather how many measured units are equal to a specific number of actual units

Building Plans

Key Concepts

  • Floor Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from above, without the roof
    • Purpose: To see the design and dimensions of the inside of a building or structure
    • Visible Features: Dimensions and layout of the inside of the building, including lengths and widths of the building, windows, and doors
  • Elevation Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from the side
    • Purpose: To see the design and dimensions of the outside of a building or structure
    • Visible Features: Dimensions and layout of the outside of the building, including the design of the roof, walls, windows, and doors
  • Design Drawing:
    • Function: Shows the design, layout, and components of an item to be constructed or manufactured
    • Purpose: To see what a completed item will look like and the dimensions of its parts
    • Visible Features: The design plan shows the different component parts, dimensions of these parts, and specific instructions on how they should look

Key Concepts for Working with Plans

  • Describe features of a building/structure
  • Match features between plans
  • Understand compass directions
  • Use scale to determine dimensions

Design Drawings

  • Describe the item/object shown on the design plan
  • Identify the dimensions of the item/object
  • Describe the different component parts required to make the item/object
  • Identify a cutting list of parts needed to make the item/object

Key Concepts for Design Drawings

  • Describe the item/object
  • Identify dimensions
  • Describe component parts
  • Cutting list

Drawing Scaled Plans

  • Calculate plan measure from actual dimension
  • Formula: Plan Measure = Actual Dimension ÷ Scale Factor
  • Use the given scale to reduce the actual measurement proportionately

Models

Key Skills and Objectives

  • Build 3D models from 2D plans/nets
  • Draw 2D plans/nets of 3D models
  • Use models to investigate various problems

Purpose

  • Facilitate the movement between 2D and 3D representations of objects

Process

  • Understanding 2D plans/nets
  • Building 3D models
  • Drawing 2D plans/nets

Assembling

Key Concepts and Skills

  • Understand instructions
  • Gather materials and tools
  • Measure and cut
  • Estimate quantities and costs
  • Calculate time
  • Follow steps in sequence
  • Check and adjust
  • Use mathematical tools and techniques

Steps to Assemble Components

  • Interpret instructions
  • Prepare materials and tools
  • Measure accurately
  • Cut materials as needed
  • Estimate quantities and costs
  • Estimate time
  • Follow the sequence
  • Check and adjust
  • Complete the assembly

Maps, Plans, and Representations

National Road Maps

  • Show major routes, roads, and distances between major cities and towns in South Africa
  • Skills:
    • Decide on the most appropriate route between destinations
    • Estimate traveling costs and times
    • Plan stopping points for accommodation, breaks, or refueling
    • Use distance tables to determine distances

Strip Charts

  • Show locations of towns, other roads, and points of interest on a specific route
  • Skills:
    • Determine more accurate traveling distances on specific sections of a route
    • Decide on appropriate stopping points for refueling or breaks
    • Estimate traveling costs and times
    • Use distance markers and indicators on the chart

Street Maps

  • Show positions and names of streets and other locations within a city
  • Skills:
    • Identify locations using symbols
    • Follow and provide directions using street names and directional indicators (e.g., left, right)
    • Use a grid reference system with the street index to find specific streets

Housing Complex Maps

  • Show positions of houses within a small housing complex
  • Skills:
    • Work with a map that shows a small area with limited detail
    • Follow and describe directions to a specific location within the complex

Using Scales

  • Use the given scale to estimate traveling distances when a distance table or distance markers are not provided
  • Two types of scale calculations:
    • Type 1: Map Measurement to Actual Distance
      • Measure a distance on a map
      • Use the given scale to convert this measurement to the actual distance
      • Formula: Actual Distance = Map Measurement × Scale Factor
    • Type 2: Actual Distance to Map Measurement
      • Start with a known actual distance
      • Use the given scale to convert this actual distance to the map measurement
      • Formula: Map Measurement = Actual Distance ÷ Scale Factor

Types of Scales

Number Scale

  • Expressed in the format 1:50,000
  • Conversion is straightforward: enlarge or reduce by the scale factor
  • A number scale shows a specific relationship between the size of the area on the map and the actual size of that area

Bar Scale

  • Shows the relationship between measured length and actual distance
  • Measuring with a ruler on the bar scale shows how many measured units are equal to actual distance
  • Different from a number scale in that it does not state how many times smaller the map is from the actual size, but rather how many measured units are equal to a specific number of actual units

Building Plans

Key Concepts

  • Floor Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from above, without the roof
    • Purpose: To see the design and dimensions of the inside of a building or structure
    • Visible Features: Dimensions and layout of the inside of the building, including lengths and widths of the building, windows, and doors
  • Elevation Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from the side
    • Purpose: To see the design and dimensions of the outside of a building or structure
    • Visible Features: Dimensions and layout of the outside of the building, including the design of the roof, walls, windows, and doors
  • Design Drawing:
    • Function: Shows the design, layout, and components of an item to be constructed or manufactured
    • Purpose: To see what a completed item will look like and the dimensions of its parts
    • Visible Features: The design plan shows the different component parts, dimensions of these parts, and specific instructions on how they should look

Key Concepts for Working with Plans

  • Describe features of a building/structure
  • Match features between plans
  • Understand compass directions
  • Use scale to determine dimensions

Design Drawings

  • Describe the item/object shown on the design plan
  • Identify the dimensions of the item/object
  • Describe the different component parts required to make the item/object
  • Identify a cutting list of parts needed to make the item/object

Key Concepts for Design Drawings

  • Describe the item/object
  • Identify dimensions
  • Describe component parts
  • Cutting list

Drawing Scaled Plans

  • Calculate plan measure from actual dimension
  • Formula: Plan Measure = Actual Dimension ÷ Scale Factor
  • Use the given scale to reduce the actual measurement proportionately

Models

Key Skills and Objectives

  • Build 3D models from 2D plans/nets
  • Draw 2D plans/nets of 3D models
  • Use models to investigate various problems

Purpose

  • Facilitate the movement between 2D and 3D representations of objects

Process

  • Understanding 2D plans/nets
  • Building 3D models
  • Drawing 2D plans/nets

Assembling

Key Concepts and Skills

  • Understand instructions
  • Gather materials and tools
  • Measure and cut
  • Estimate quantities and costs
  • Calculate time
  • Follow steps in sequence
  • Check and adjust
  • Use mathematical tools and techniques

Steps to Assemble Components

  • Interpret instructions
  • Prepare materials and tools
  • Measure accurately
  • Cut materials as needed
  • Estimate quantities and costs
  • Estimate time
  • Follow the sequence
  • Check and adjust
  • Complete the assembly

Maps, Plans, and Representations

National Road Maps

  • Show major routes, roads, and distances between major cities and towns in South Africa
  • Skills:
    • Decide on the most appropriate route between destinations
    • Estimate traveling costs and times
    • Plan stopping points for accommodation, breaks, or refueling
    • Use distance tables to determine distances

Strip Charts

  • Show locations of towns, other roads, and points of interest on a specific route
  • Skills:
    • Determine more accurate traveling distances on specific sections of a route
    • Decide on appropriate stopping points for refueling or breaks
    • Estimate traveling costs and times
    • Use distance markers and indicators on the chart

Street Maps

  • Show positions and names of streets and other locations within a city
  • Skills:
    • Identify locations using symbols
    • Follow and provide directions using street names and directional indicators (e.g., left, right)
    • Use a grid reference system with the street index to find specific streets

Housing Complex Maps

  • Show positions of houses within a small housing complex
  • Skills:
    • Work with a map that shows a small area with limited detail
    • Follow and describe directions to a specific location within the complex

Using Scales

  • Use the given scale to estimate traveling distances when a distance table or distance markers are not provided
  • Two types of scale calculations:
    • Type 1: Map Measurement to Actual Distance
      • Measure a distance on a map
      • Use the given scale to convert this measurement to the actual distance
      • Formula: Actual Distance = Map Measurement × Scale Factor
    • Type 2: Actual Distance to Map Measurement
      • Start with a known actual distance
      • Use the given scale to convert this actual distance to the map measurement
      • Formula: Map Measurement = Actual Distance ÷ Scale Factor

Types of Scales

Number Scale

  • Expressed in the format 1:50,000
  • Conversion is straightforward: enlarge or reduce by the scale factor
  • A number scale shows a specific relationship between the size of the area on the map and the actual size of that area

Bar Scale

  • Shows the relationship between measured length and actual distance
  • Measuring with a ruler on the bar scale shows how many measured units are equal to actual distance
  • Different from a number scale in that it does not state how many times smaller the map is from the actual size, but rather how many measured units are equal to a specific number of actual units

Building Plans

Key Concepts

  • Floor Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from above, without the roof
    • Purpose: To see the design and dimensions of the inside of a building or structure
    • Visible Features: Dimensions and layout of the inside of the building, including lengths and widths of the building, windows, and doors
  • Elevation Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from the side
    • Purpose: To see the design and dimensions of the outside of a building or structure
    • Visible Features: Dimensions and layout of the outside of the building, including the design of the roof, walls, windows, and doors
  • Design Drawing:
    • Function: Shows the design, layout, and components of an item to be constructed or manufactured
    • Purpose: To see what a completed item will look like and the dimensions of its parts
    • Visible Features: The design plan shows the different component parts, dimensions of these parts, and specific instructions on how they should look

Key Concepts for Working with Plans

  • Describe features of a building/structure
  • Match features between plans
  • Understand compass directions
  • Use scale to determine dimensions

Design Drawings

  • Describe the item/object shown on the design plan
  • Identify the dimensions of the item/object
  • Describe the different component parts required to make the item/object
  • Identify a cutting list of parts needed to make the item/object

Key Concepts for Design Drawings

  • Describe the item/object
  • Identify dimensions
  • Describe component parts
  • Cutting list

Drawing Scaled Plans

  • Calculate plan measure from actual dimension
  • Formula: Plan Measure = Actual Dimension ÷ Scale Factor
  • Use the given scale to reduce the actual measurement proportionately

Models

Key Skills and Objectives

  • Build 3D models from 2D plans/nets
  • Draw 2D plans/nets of 3D models
  • Use models to investigate various problems

Purpose

  • Facilitate the movement between 2D and 3D representations of objects

Process

  • Understanding 2D plans/nets
  • Building 3D models
  • Drawing 2D plans/nets

Assembling

Key Concepts and Skills

  • Understand instructions
  • Gather materials and tools
  • Measure and cut
  • Estimate quantities and costs
  • Calculate time
  • Follow steps in sequence
  • Check and adjust
  • Use mathematical tools and techniques

Steps to Assemble Components

  • Interpret instructions
  • Prepare materials and tools
  • Measure accurately
  • Cut materials as needed
  • Estimate quantities and costs
  • Estimate time
  • Follow the sequence
  • Check and adjust
  • Complete the assembly

Maps, Plans, and Representations

National Road Maps

  • Show major routes, roads, and distances between major cities and towns in South Africa
  • Skills:
    • Decide on the most appropriate route between destinations
    • Estimate traveling costs and times
    • Plan stopping points for accommodation, breaks, or refueling
    • Use distance tables to determine distances

Strip Charts

  • Show locations of towns, other roads, and points of interest on a specific route
  • Skills:
    • Determine more accurate traveling distances on specific sections of a route
    • Decide on appropriate stopping points for refueling or breaks
    • Estimate traveling costs and times
    • Use distance markers and indicators on the chart

Street Maps

  • Show positions and names of streets and other locations within a city
  • Skills:
    • Identify locations using symbols
    • Follow and provide directions using street names and directional indicators (e.g., left, right)
    • Use a grid reference system with the street index to find specific streets

Housing Complex Maps

  • Show positions of houses within a small housing complex
  • Skills:
    • Work with a map that shows a small area with limited detail
    • Follow and describe directions to a specific location within the complex

Using Scales

  • Use the given scale to estimate traveling distances when a distance table or distance markers are not provided
  • Two types of scale calculations:
    • Type 1: Map Measurement to Actual Distance
      • Measure a distance on a map
      • Use the given scale to convert this measurement to the actual distance
      • Formula: Actual Distance = Map Measurement × Scale Factor
    • Type 2: Actual Distance to Map Measurement
      • Start with a known actual distance
      • Use the given scale to convert this actual distance to the map measurement
      • Formula: Map Measurement = Actual Distance ÷ Scale Factor

Types of Scales

Number Scale

  • Expressed in the format 1:50,000
  • Conversion is straightforward: enlarge or reduce by the scale factor
  • A number scale shows a specific relationship between the size of the area on the map and the actual size of that area

Bar Scale

  • Shows the relationship between measured length and actual distance
  • Measuring with a ruler on the bar scale shows how many measured units are equal to actual distance
  • Different from a number scale in that it does not state how many times smaller the map is from the actual size, but rather how many measured units are equal to a specific number of actual units

Building Plans

Key Concepts

  • Floor Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from above, without the roof
    • Purpose: To see the design and dimensions of the inside of a building or structure
    • Visible Features: Dimensions and layout of the inside of the building, including lengths and widths of the building, windows, and doors
  • Elevation Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from the side
    • Purpose: To see the design and dimensions of the outside of a building or structure
    • Visible Features: Dimensions and layout of the outside of the building, including the design of the roof, walls, windows, and doors
  • Design Drawing:
    • Function: Shows the design, layout, and components of an item to be constructed or manufactured
    • Purpose: To see what a completed item will look like and the dimensions of its parts
    • Visible Features: The design plan shows the different component parts, dimensions of these parts, and specific instructions on how they should look

Key Concepts for Working with Plans

  • Describe features of a building/structure
  • Match features between plans
  • Understand compass directions
  • Use scale to determine dimensions

Design Drawings

  • Describe the item/object shown on the design plan
  • Identify the dimensions of the item/object
  • Describe the different component parts required to make the item/object
  • Identify a cutting list of parts needed to make the item/object

Key Concepts for Design Drawings

  • Describe the item/object
  • Identify dimensions
  • Describe component parts
  • Cutting list

Drawing Scaled Plans

  • Calculate plan measure from actual dimension
  • Formula: Plan Measure = Actual Dimension ÷ Scale Factor
  • Use the given scale to reduce the actual measurement proportionately

Models

Key Skills and Objectives

  • Build 3D models from 2D plans/nets
  • Draw 2D plans/nets of 3D models
  • Use models to investigate various problems

Purpose

  • Facilitate the movement between 2D and 3D representations of objects

Process

  • Understanding 2D plans/nets
  • Building 3D models
  • Drawing 2D plans/nets

Assembling

Key Concepts and Skills

  • Understand instructions
  • Gather materials and tools
  • Measure and cut
  • Estimate quantities and costs
  • Calculate time
  • Follow steps in sequence
  • Check and adjust
  • Use mathematical tools and techniques

Steps to Assemble Components

  • Interpret instructions
  • Prepare materials and tools
  • Measure accurately
  • Cut materials as needed
  • Estimate quantities and costs
  • Estimate time
  • Follow the sequence
  • Check and adjust
  • Complete the assembly

Maps, Plans, and Representations

National Road Maps

  • Show major routes, roads, and distances between major cities and towns in South Africa
  • Skills:
    • Decide on the most appropriate route between destinations
    • Estimate traveling costs and times
    • Plan stopping points for accommodation, breaks, or refueling
    • Use distance tables to determine distances

Strip Charts

  • Show locations of towns, other roads, and points of interest on a specific route
  • Skills:
    • Determine more accurate traveling distances on specific sections of a route
    • Decide on appropriate stopping points for refueling or breaks
    • Estimate traveling costs and times
    • Use distance markers and indicators on the chart

Street Maps

  • Show positions and names of streets and other locations within a city
  • Skills:
    • Identify locations using symbols
    • Follow and provide directions using street names and directional indicators (e.g., left, right)
    • Use a grid reference system with the street index to find specific streets

Housing Complex Maps

  • Show positions of houses within a small housing complex
  • Skills:
    • Work with a map that shows a small area with limited detail
    • Follow and describe directions to a specific location within the complex

Using Scales

  • Use the given scale to estimate traveling distances when a distance table or distance markers are not provided
  • Two types of scale calculations:
    • Type 1: Map Measurement to Actual Distance
      • Measure a distance on a map
      • Use the given scale to convert this measurement to the actual distance
      • Formula: Actual Distance = Map Measurement × Scale Factor
    • Type 2: Actual Distance to Map Measurement
      • Start with a known actual distance
      • Use the given scale to convert this actual distance to the map measurement
      • Formula: Map Measurement = Actual Distance ÷ Scale Factor

Types of Scales

Number Scale

  • Expressed in the format 1:50,000
  • Conversion is straightforward: enlarge or reduce by the scale factor
  • A number scale shows a specific relationship between the size of the area on the map and the actual size of that area

Bar Scale

  • Shows the relationship between measured length and actual distance
  • Measuring with a ruler on the bar scale shows how many measured units are equal to actual distance
  • Different from a number scale in that it does not state how many times smaller the map is from the actual size, but rather how many measured units are equal to a specific number of actual units

Building Plans

Key Concepts

  • Floor Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from above, without the roof
    • Purpose: To see the design and dimensions of the inside of a building or structure
    • Visible Features: Dimensions and layout of the inside of the building, including lengths and widths of the building, windows, and doors
  • Elevation Plan:
    • Function: Shows a 2-dimensional perspective of a building or structure as seen from the side
    • Purpose: To see the design and dimensions of the outside of a building or structure
    • Visible Features: Dimensions and layout of the outside of the building, including the design of the roof, walls, windows, and doors
  • Design Drawing:
    • Function: Shows the design, layout, and components of an item to be constructed or manufactured
    • Purpose: To see what a completed item will look like and the dimensions of its parts
    • Visible Features: The design plan shows the different component parts, dimensions of these parts, and specific instructions on how they should look

Key Concepts for Working with Plans

  • Describe features of a building/structure
  • Match features between plans
  • Understand compass directions
  • Use scale to determine dimensions

Design Drawings

  • Describe the item/object shown on the design plan
  • Identify the dimensions of the item/object
  • Describe the different component parts required to make the item/object
  • Identify a cutting list of parts needed to make the item/object

Key Concepts for Design Drawings

  • Describe the item/object
  • Identify dimensions
  • Describe component parts
  • Cutting list

Drawing Scaled Plans

  • Calculate plan measure from actual dimension
  • Formula: Plan Measure = Actual Dimension ÷ Scale Factor
  • Use the given scale to reduce the actual measurement proportionately

Models

Key Skills and Objectives

  • Build 3D models from 2D plans/nets
  • Draw 2D plans/nets of 3D models
  • Use models to investigate various problems

Purpose

  • Facilitate the movement between 2D and 3D representations of objects

Process

  • Understanding 2D plans/nets
  • Building 3D models
  • Drawing 2D plans/nets

Assembling

Key Concepts and Skills

  • Understand instructions
  • Gather materials and tools
  • Measure and cut
  • Estimate quantities and costs
  • Calculate time
  • Follow steps in sequence
  • Check and adjust
  • Use mathematical tools and techniques

Steps to Assemble Components

  • Interpret instructions
  • Prepare materials and tools
  • Measure accurately
  • Cut materials as needed
  • Estimate quantities and costs
  • Estimate time
  • Follow the sequence
  • Check and adjust
  • Complete the assembly

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