Gr10 Math Lit: June test medium P(2)

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the standard way of doing something in South Africa when representing numbers?

  • Format
  • Counting
  • Convention (correct)
  • Measurement

What type of numbers are used to represent exact counts?

  • Order Numbers
  • Measurements
  • Counting Numbers (correct)
  • Money Amounts

How do you write numbers in words?

  • Read each group individually and name it from right to left
  • Separate the number into groups of three digits from right to left (correct)
  • Separate the number into groups of two digits from right to left
  • Read each group individually and name it from left to right

Why are large numbers easier to read in symbol form?

<p>Due to the place value (D)</p> Signup and view all the answers

What is the purpose of a place value table?

<p>To identify the value of each digit (A)</p> Signup and view all the answers

How do you arrange numbers in order?

<p>Create a place value table for all numbers and compare digits starting from the leftmost column (C)</p> Signup and view all the answers

What is the decimal fraction representation convention used in South Africa?

<p>Decimal comma (e.g., 1 000 000,00) (A)</p> Signup and view all the answers

What is the purpose of using formulas and steps for number formats and conventions?

<p>To provide a standard way of doing something (A)</p> Signup and view all the answers

What operation should be performed first when following the order of operations?

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

What is the purpose of estimating answers to calculations?

<p>To check answers for accuracy (A)</p> Signup and view all the answers

What is the function of the MRC key on a basic calculator?

<p>Displays the number stored in memory (D)</p> Signup and view all the answers

What is the result of multiplying a number by 10?

<p>The number is shifted one place to the left (A)</p> Signup and view all the answers

What is a decimal fraction?

<p>A way to write fractions with powers of ten as denominators (A)</p> Signup and view all the answers

What is the purpose of the 'Change Sign' key on a calculator?

<p>To change the sign of a number (B)</p> Signup and view all the answers

What is a common fraction?

<p>A fraction with a numerator smaller than the denominator (C)</p> Signup and view all the answers

How do you write whole numbers in words?

<p>Separate numbers into groups of three digits starting from the right (C)</p> Signup and view all the answers

What is the purpose of a place value table?

<p>To compare the size of numbers (B)</p> Signup and view all the answers

What is the convention for writing numbers in South Africa?

<p>Using a space to separate groups of three digits (D)</p> Signup and view all the answers

What is the primary purpose of estimating in mathematics?

<p>To think about a problem before solving it (D)</p> Signup and view all the answers

What is the correct order of operations when evaluating expressions?

<p>BODMAS (C)</p> Signup and view all the answers

When multiplying a number by 10, what do you do to the digits?

<p>Shift each digit to the left by the number of zeros in the multiplier (A)</p> Signup and view all the answers

What is the definition of a proper fraction?

<p>A fraction where the numerator is less than the denominator (D)</p> Signup and view all the answers

How do you convert a common fraction to a decimal fraction?

<p>Divide the numerator by the denominator (D)</p> Signup and view all the answers

What is the definition of a ratio?

<p>A comparison of two numbers with the same unit (A)</p> Signup and view all the answers

How do you simplify a ratio?

<p>Divide both terms by their greatest common divisor (D)</p> Signup and view all the answers

What is the definition of a percentage?

<p>A fraction with a denominator of 100 (B)</p> Signup and view all the answers

What is the purpose of graphs in mathematics?

<p>To display relationships between two variables (B)</p> Signup and view all the answers

What is the difference between a continuous graph and a discrete graph?

<p>Continuous graphs represent measurements that can take any value within a range, and discrete graphs represent whole numbers (A)</p> Signup and view all the answers

What is the definition of an independent variable?

<p>A variable that stands alone and isn't affected by other variables (C)</p> Signup and view all the answers

What does a graph touching the horizontal axis indicate?

<p>The dependent variable has reached zero (A)</p> Signup and view all the answers

What type of graph represents whole numbers and is shown by points connected with dotted lines?

<p>Discrete graph (C)</p> Signup and view all the answers

What is the formula for an inverse proportion?

<p>y = k/x (C)</p> Signup and view all the answers

What is the first step in plotting points on a grid?

<p>Start at the origin (0,0) (C)</p> Signup and view all the answers

What is the definition of a decreasing graph?

<p>A graph with a slope that goes down from left to right (D)</p> Signup and view all the answers

What is the formula for a linear relationship?

<p>y = mx + c (B)</p> Signup and view all the answers

What is the purpose of graph interpretation in Mathematical Literacy?

<p>To visualize the relationship between two quantities (C)</p> Signup and view all the answers

What is the definition of a linear pattern?

<p>A pattern that forms a straight line on a graph (A)</p> Signup and view all the answers

What is the last step in plotting points on a grid?

<p>Plot the point where the two lines intersect (B)</p> Signup and view all the answers

What is the value of the nth term in a sequence represented by?

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

What is the linear formula used to describe a linear relationship?

<p>y = mx + c (D)</p> Signup and view all the answers

What is the conversion factor from millimetres to centimetres?

<p>10 mm = 1 cm (A)</p> Signup and view all the answers

What is the formula to convert millilitres to litres?

<p>Volume in l = Volume in ml / 1000 (C)</p> Signup and view all the answers

What is the conversion factor from kilograms to tonnes?

<p>1000 kg = 1 t (A)</p> Signup and view all the answers

What is the formula to convert cups to millilitres?

<p>Volume in ml = Volume in cups * 250 (B)</p> Signup and view all the answers

What is the inverse proportion formula used to describe an inverse proportion relationship?

<p>y = k/x (C)</p> Signup and view all the answers

What is the conversion factor from grams to kilograms?

<p>1000 g = 1 kg (A)</p> Signup and view all the answers

What is the formula to convert milligrams to grams?

<p>Weight in g = Weight in mg / 1000 (B)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp * 5 (A)</p> Signup and view all the answers

What is the conversion factor to convert teaspoons to milliliters?

<p>1 tsp = 5 ml (A)</p> Signup and view all the answers

Which instrument is used to measure the distance travelled by a vehicle?

<p>Odometer (D)</p> Signup and view all the answers

What is the conversion factor to convert kilograms to grams?

<p>1 kg = 1000 g (C)</p> Signup and view all the answers

What is the volume of a standard measuring cup?

<p>250 ml (D)</p> Signup and view all the answers

What is the normal human body temperature range?

<p>36°C to 37°C (D)</p> Signup and view all the answers

What is the purpose of a scale in a map?

<p>To show the distance between locations (D)</p> Signup and view all the answers

How do you calculate the real distance using a number scale?

<p>Measure the distance on the map and multiply by the scale factor (C)</p> Signup and view all the answers

What is the formula for calculating the total cost of an item?

<p>All of the above (D)</p> Signup and view all the answers

What is the capacity of a standard bucket?

<p>10 liters (B)</p> Signup and view all the answers

How do you calculate the real distance using a bar scale?

<p>Measure the distance on the map, divide by the length of one segment, and multiply by the distance represented by one segment (A)</p> Signup and view all the answers

What is the purpose of a scale on a map?

<p>To accurately represent the distance on the map to the actual distance in real life (A)</p> Signup and view all the answers

What does the scale 1:50 represent in a map?

<p>1 unit on the map represents 50 units in real life (D)</p> Signup and view all the answers

What is the formula to calculate the real distance using a number scale?

<p>Real Distance = Measured Distance on Map × Scale Factor (A)</p> Signup and view all the answers

What is the advantage of using a bar scale?

<p>It remains accurate when the map is resized (A)</p> Signup and view all the answers

What is the purpose of providing clear and concise language when giving directions?

<p>To make it easy for the person to follow the directions (C)</p> Signup and view all the answers

What is the formula to calculate the real distance using a bar scale?

<p>Real Distance = (Measured Distance on Map / Length of One Segment) × Distance Represented by One Segment (D)</p> Signup and view all the answers

What is the probability of an event that is certain to occur?

<p>1 (A)</p> Signup and view all the answers

What is the disadvantage of using a number scale?

<p>It becomes inaccurate when the map is resized (D)</p> Signup and view all the answers

What is the purpose of a tree diagram in probability?

<p>To show all possible outcomes of an event (B)</p> Signup and view all the answers

How do you draw a scaled map from real dimensions?

<p>By knowing the actual measurements and the scale to be used (D)</p> Signup and view all the answers

What is the formula for calculating the probability of an event?

<p>P(E) = (Number of favourable outcomes) / (Total number of possible outcomes) (C)</p> Signup and view all the answers

What is the formula to calculate the scaled measurement?

<p>Scaled Measurement = Actual Measurement / Scale Factor (C)</p> Signup and view all the answers

What is the term for the number of times an event occurs in a trial?

<p>Frequency (D)</p> Signup and view all the answers

What is the purpose of using scales in maps?

<p>To accurately interpret and navigate maps and plans (B)</p> Signup and view all the answers

What is the purpose of a floor plan?

<p>To show the location of furniture and other features in a building (D)</p> Signup and view all the answers

What is the term for an event that is very likely to occur?

<p>Very likely (B)</p> Signup and view all the answers

What is the advantage of using a number scale?

<p>It is simple to use and requires measuring only one distance (C)</p> Signup and view all the answers

What is the disadvantage of using a bar scale?

<p>It requires measuring the length of one segment and calculating how many segments fit the measured distance (D)</p> Signup and view all the answers

What is the formula for calculating the complement of an event?

<p>P(not E) = 1 - P(E) (C)</p> Signup and view all the answers

What is the purpose of using weather predictions?

<p>To analyze past weather data (A)</p> Signup and view all the answers

What is the purpose of separating groups of three digits when writing large numbers in words?

<p>To make the number easier to read and understand (C)</p> Signup and view all the answers

Which type of number is used to represent rates?

<p>Percentage (D)</p> Signup and view all the answers

What is the convention for separating whole numbers from decimal fractions in South Africa?

<p>Decimal comma (C)</p> Signup and view all the answers

What is the purpose of using a place value table when comparing numbers?

<p>To identify the value of each digit (A)</p> Signup and view all the answers

What is the purpose of using codes in different contexts?

<p>To identify objects or people (B)</p> Signup and view all the answers

What is the alternative convention for representing decimal fractions in some contexts, such as bank statements?

<p>Decimal point (A)</p> Signup and view all the answers

What is the purpose of comparing digits starting from the leftmost column when arranging numbers in order?

<p>To compare the numbers column by column (A)</p> Signup and view all the answers

What is the purpose of using formulas and steps for number formats and conventions?

<p>To provide a standard way of doing something (A)</p> Signup and view all the answers

What is the purpose of using the order of operations in calculations?

<p>To ensure calculations are performed in the correct order (D)</p> Signup and view all the answers

What is the result of multiplying a number by 1000?

<p>Shift each digit three places to the right (C)</p> Signup and view all the answers

What is the purpose of converting fractions to have a common denominator?

<p>To enable addition and subtraction of fractions (B)</p> Signup and view all the answers

What is the definition of a mixed number?

<p>A combination of a whole number and a fraction (B)</p> Signup and view all the answers

What is the purpose of the 'Change Sign' key on a calculator?

<p>To change the sign of a number (B)</p> Signup and view all the answers

What is the definition of a negative number?

<p>A number less than zero (B)</p> Signup and view all the answers

What is the purpose of estimating answers to calculations?

<p>To think about a problem before working it out (D)</p> Signup and view all the answers

What is the result of adding a number and its opposite?

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

What is the purpose of estimating in mathematics?

<p>To check the accuracy of an answer (D)</p> Signup and view all the answers

What is the purpose of using the 'M+' key on a basic calculator?

<p>To add a number to the memory (D)</p> Signup and view all the answers

What is the definition of a proper fraction?

<p>A fraction where the numerator is smaller than the denominator (B)</p> Signup and view all the answers

What is the order of operations when evaluating expressions with brackets and powers?

<p>Brackets, Orders, Division, Multiplication, Addition, Subtraction (C)</p> Signup and view all the answers

What is the result of multiplying a number by 100?

<p>The number shifted to the left by two digits (A)</p> Signup and view all the answers

What is the definition of a mixed number?

<p>A whole number combined with a fraction (C)</p> Signup and view all the answers

What is the purpose of graphs in mathematics?

<p>To display relationships between two variables (D)</p> Signup and view all the answers

What is the definition of a rate?

<p>A comparison of two numbers with different units (A)</p> Signup and view all the answers

What is the formula to calculate a percentage?

<p>Fraction × 100 (A)</p> Signup and view all the answers

What is the difference between a continuous graph and a discrete graph?

<p>A continuous graph represents measurements that can take any value, while a discrete graph represents whole numbers (B)</p> Signup and view all the answers

What is the purpose of simplifying ratios?

<p>To make the ratio easier to compare (A)</p> Signup and view all the answers

What is the definition of a proportion?

<p>A relationship indicating that two ratios are equal (A)</p> Signup and view all the answers

What is the primary purpose of graph interpretation in Mathematical Literacy?

<p>To identify patterns and relationships (C)</p> Signup and view all the answers

What type of graph represents whole numbers and is shown by points connected with dotted lines?

<p>Discrete graph (C)</p> Signup and view all the answers

What is the formula for an inverse proportion?

<p>y = k/x (B)</p> Signup and view all the answers

What is the definition of an independent variable?

<p>A variable that stands alone and isn't affected by other variables (A)</p> Signup and view all the answers

What does a graph touching the horizontal axis indicate?

<p>The dependent variable has reached zero (D)</p> Signup and view all the answers

What is the definition of a decreasing graph?

<p>A graph that shows a decline in values (B)</p> Signup and view all the answers

What is the formula for a linear relationship?

<p>y = mx + c (B)</p> Signup and view all the answers

What is the first step in plotting points on a grid?

<p>Start at the origin (0,0) (C)</p> Signup and view all the answers

What is the definition of a linear pattern?

<p>A pattern that shows a constant rate of change (B)</p> Signup and view all the answers

What is the last step in plotting points on a grid?

<p>Plot the point where the two lines intersect (A)</p> Signup and view all the answers

What is the formula to convert milligrams to grams?

<p>Weight in g = Weight in mg ÷ 1000 (D)</p> Signup and view all the answers

What is the formula to convert centimetres to meters?

<p>Length in m = Length in cm ÷ 100 (D)</p> Signup and view all the answers

What is the linear formula used to describe a linear relationship?

<p>y = mx + c (C)</p> Signup and view all the answers

What is the formula to convert litres to kilolitres?

<p>Volume in kl = Volume in l ÷ 1000 (D)</p> Signup and view all the answers

What is the conversion factor from millilitres to litres?

<p>1000 ml = 1 l (B)</p> Signup and view all the answers

What is the formula to convert cups to millilitres?

<p>Volume in ml = Volume in cups × 250 (B)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp × 5 (B)</p> Signup and view all the answers

What is the formula to convert kilometres to meters?

<p>Length in m = Length in km × 1000 (D)</p> Signup and view all the answers

What is the formula to convert grams to kilograms?

<p>Weight in kg = Weight in g ÷ 1000 (B)</p> Signup and view all the answers

What is the inverse proportion formula used to describe an inverse proportion relationship?

<p>y = k/x (A)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp × 5 (D)</p> Signup and view all the answers

What is the instrument used to measure the distance travelled by a vehicle?

<p>Odometer (D)</p> Signup and view all the answers

What is the formula to calculate the total cost of an item?

<p>All of the above (D)</p> Signup and view all the answers

What is the conversion factor from kilograms to tonnes?

<p>1 kg = 0.001 tonnes (A)</p> Signup and view all the answers

What is the purpose of a scale in a map?

<p>To represent the distance on the map to the actual distance in real life (A)</p> Signup and view all the answers

What is the formula to calculate the real distance using a number scale?

<p>Real Distance = Measured Distance on Map × Scale Factor (D)</p> Signup and view all the answers

What is the definition of volume?

<p>The amount of space an object occupies (B)</p> Signup and view all the answers

What is the conversion factor from millilitres to litres?

<p>1 ml = 0.001 L (D)</p> Signup and view all the answers

What is the purpose of a thermometer?

<p>To measure the temperature of an object (D)</p> Signup and view all the answers

What is the formula to calculate the real distance using a bar scale?

<p>Real Distance = (Measured Distance on Map ÷ Length of One Segment) × Distance Represented by One Segment (C)</p> Signup and view all the answers

What is the purpose of a scale on a map?

<p>To provide a ratio of distance on the map to actual distance (A)</p> Signup and view all the answers

What is the formula to calculate real distance from a measured distance on a map using a number scale?

<p>Real Distance = Measured Distance on Map × Scale Factor (A)</p> Signup and view all the answers

What is the advantage of using a bar scale?

<p>It remains accurate when the map is resized (A)</p> Signup and view all the answers

How do you draw a scaled map from real dimensions?

<p>Measure the actual dimensions and then divide by the scale factor (A)</p> Signup and view all the answers

What is the formula to calculate the scaled measurement from an actual measurement?

<p>Scaled Measurement = Actual Measurement ÷ Scale Factor (A)</p> Signup and view all the answers

What is the disadvantage of using a number scale?

<p>It becomes inaccurate when the map is resized (D)</p> Signup and view all the answers

How do you calculate the real distance using a bar scale?

<p>Measure the segment length, calculate how many segments fit the measured distance, and multiply by the segment's real distance (B)</p> Signup and view all the answers

What is the purpose of using scales on maps?

<p>To provide a ratio of distance on the map to actual distance (C)</p> Signup and view all the answers

What is the advantage of using a number scale?

<p>It is simpler to use as it requires measuring only one distance (A)</p> Signup and view all the answers

What is the disadvantage of using a bar scale?

<p>It requires measuring the length of one segment and then calculating how many segments fit the measured distance (A)</p> Signup and view all the answers

What is the first step in creating a scale drawing of a room?

<p>Determine the scale by finding the ratio of the real measurements. (D)</p> Signup and view all the answers

What is the purpose of providing directions?

<p>To help people navigate from one place to another. (D)</p> Signup and view all the answers

What is the probability of an event that is certain to occur?

<p>1 (C)</p> Signup and view all the answers

What is the difference between a fair game and an unfair game?

<p>A fair game has an equal chance of winning or losing, while an unfair game is weighted to favor one player. (C)</p> Signup and view all the answers

What is the purpose of a tree diagram?

<p>To show all possible outcomes of an event or series of events. (A)</p> Signup and view all the answers

What is the formula for calculating the probability of an event?

<p>P(E) = Number of favourable outcomes / Total number of possible outcomes (A)</p> Signup and view all the answers

What is the complement of an event?

<p>The probability of the event not occurring. (B)</p> Signup and view all the answers

What is the purpose of weather predictions?

<p>To analyze past weather data to make predictions about future weather. (D)</p> Signup and view all the answers

What is the probability of an event that is impossible to occur?

<p>0 (A)</p> Signup and view all the answers

What is the purpose of using floor plans?

<p>To show the layout of a building or room. (A)</p> Signup and view all the answers

What is the main purpose of estimating in mathematics?

<p>To check the accuracy of an answer (A)</p> Signup and view all the answers

What is the correct order of operations when evaluating expressions?

<p>Brackets, Orders, Division and Multiplication, Addition and Subtraction (B)</p> Signup and view all the answers

How do you simplify a ratio?

<p>By dividing both terms by their greatest common divisor (B)</p> Signup and view all the answers

What is the definition of a mixed number?

<p>A whole number combined with a fraction (C)</p> Signup and view all the answers

What is the purpose of graphs in mathematics?

<p>To show trends and patterns in data (C)</p> Signup and view all the answers

How do you convert a common fraction to a decimal fraction?

<p>By dividing the numerator by the denominator (B)</p> Signup and view all the answers

What is the definition of an improper fraction?

<p>A fraction with a numerator greater than the denominator (D)</p> Signup and view all the answers

How do you calculate a percentage of a given amount?

<p>By multiplying the percentage by the given amount (A)</p> Signup and view all the answers

What is the difference between a continuous graph and a discrete graph?

<p>A continuous graph represents measurements that can take any value within a range, and a discrete graph represents whole numbers (B)</p> Signup and view all the answers

What is the definition of a rate?

<p>A comparison of two numbers with different units (A)</p> Signup and view all the answers

What does the horizontal axis (x-axis) represent in a graph?

<p>The independent variable (C)</p> Signup and view all the answers

What type of graph represents measurement values and is shown with solid lines?

<p>Continuous graph (B)</p> Signup and view all the answers

What is the formula for an inverse proportion?

<p>y = k/x (C)</p> Signup and view all the answers

What is the first step in plotting points on a grid?

<p>Start at the origin (0,0) (D)</p> Signup and view all the answers

What does it mean when a graph touches the vertical axis (y-axis)?

<p>The starting value of the dependent variable (B)</p> Signup and view all the answers

What is the purpose of graph interpretation in Mathematical Literacy?

<p>To visualize relationships between two quantities (D)</p> Signup and view all the answers

What is the formula for a linear relationship?

<p>y = mx + c (B)</p> Signup and view all the answers

What type of graph represents whole numbers and is shown by points connected with dotted lines?

<p>Discrete graph (C)</p> Signup and view all the answers

What does it mean when a graph is decreasing?

<p>The slope goes down from left to right (A)</p> Signup and view all the answers

What is the purpose of identifying patterns and relationships in graphs?

<p>To make predictions and identify trends (B)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp × 5 (B)</p> Signup and view all the answers

What instrument is used to measure the distance travelled by a vehicle?

<p>Odometer (B)</p> Signup and view all the answers

What is the formula to calculate the total cost of an item based on its weight?

<p>Total Cost = Weight Needed × Price per Kilogram (B)</p> Signup and view all the answers

What is the conversion factor from millilitres to litres?

<p>1 liter = 1000 ml (D)</p> Signup and view all the answers

What type of scale is used to measure large quantities of food?

<p>Market Scales (C)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp × 5 (D)</p> Signup and view all the answers

What is the instrument used to measure the volume of a liquid?

<p>Measuring Cups (D)</p> Signup and view all the answers

What is the formula to calculate the total cost of an item based on its length?

<p>Total Cost = Length Needed × Price per Meter (C)</p> Signup and view all the answers

What is the definition of a scale?

<p>A ratio representing the distance on a map to the actual distance in real life (D)</p> Signup and view all the answers

What is the instrument used to measure human body temperature?

<p>Analogue Thermometers (C)</p> Signup and view all the answers

What is the formula to convert centimetres to meters?

<p>( \text{Length in m} = \frac{\text{Length in cm}}{100} ) (A)</p> Signup and view all the answers

What is the formula to convert kilograms to tonnes?

<p>( \text{Weight in t} = \frac{\text{Weight in kg}}{1000} ) (A)</p> Signup and view all the answers

What is the formula to convert millilitres to litres?

<p>( \text{Volume in l} = \frac{\text{Volume in ml}}{1000} ) (D)</p> Signup and view all the answers

What is the primary purpose of using spaces to separate groups of three digits in numbers?

<p>To make the number easier to read (A)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>( \text{Volume in ml} = \text{Volume in tsp} \times 15 ) (D)</p> Signup and view all the answers

Which type of number is used to represent financial values?

<p>Money Amounts (A)</p> Signup and view all the answers

What is the formula for an inverse proportion relationship?

<p>( y = \frac{k}{x} ) (A)</p> Signup and view all the answers

What is the purpose of a place value table?

<p>To identify the place value of each digit (B)</p> Signup and view all the answers

What is the conversion factor from milligrams to grams?

<p>1000 mg = 1 g (D)</p> Signup and view all the answers

What is the formula for a linear relationship?

<p>( y = mx + c ) (A)</p> Signup and view all the answers

How are numbers separated into groups in South Africa?

<p>With spaces (B)</p> Signup and view all the answers

What is the purpose of reading and writing large numbers in symbol form?

<p>To make the number easier to read (B)</p> Signup and view all the answers

What is the conversion factor from centimetres to millimetres?

<p>1 cm = 100 mm (B)</p> Signup and view all the answers

Which of the following is NOT a type of number used in different contexts?

<p>Alphabets (B)</p> Signup and view all the answers

What is the formula to convert cups to millilitres?

<p>( \text{Volume in ml} = \text{Volume in cups} \times 250 ) (A)</p> Signup and view all the answers

What is the conversion factor from kilograms to grams?

<p>1 kg = 1000 g (C)</p> Signup and view all the answers

What is the purpose of using a decimal comma in South Africa?

<p>To separate whole numbers from decimal fractions (B)</p> Signup and view all the answers

What is the correct order to compare digits when arranging numbers in order?

<p>From left to right (B)</p> Signup and view all the answers

What is the purpose of using the BODMAS rule?

<p>To remember the order of operations (B)</p> Signup and view all the answers

When converting a common fraction to a decimal fraction, what operation is used?

<p>Division (D)</p> Signup and view all the answers

What is the result of adding a number and its opposite?

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

How do you multiply a number by 100?

<p>Shift each digit two places to the left (B)</p> Signup and view all the answers

What is the purpose of estimating answers to calculations?

<p>To check answers for accuracy (B)</p> Signup and view all the answers

What is the function of the 'M+' key on a basic calculator?

<p>Adds a number to memory (B)</p> Signup and view all the answers

What is a mixed number?

<p>A combination of a whole number and a fraction (C)</p> Signup and view all the answers

What is the purpose of 'breaking down and multiplying'?

<p>To make multiplication and addition easier (A)</p> Signup and view all the answers

What is the result of multiplying a number by -1?

<p>The number becomes its opposite (C)</p> Signup and view all the answers

What is the purpose of using a place value table?

<p>To compare and understand large numbers (D)</p> Signup and view all the answers

What is the purpose of a scale on a map?

<p>To represent the distance on the map to the actual distance in real life (D)</p> Signup and view all the answers

What is the formula to calculate the real distance using a number scale?

<p>Real Distance = Measured Distance on Map × Scale Factor (B)</p> Signup and view all the answers

What is the advantage of using a bar scale?

<p>It remains accurate when the map is resized (B)</p> Signup and view all the answers

What is the formula to draw a scaled map from real dimensions?

<p>Scaled Measurement = Actual Measurement ÷ Scale Factor (D)</p> Signup and view all the answers

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

<p>To accurately interpret and navigate maps (D)</p> Signup and view all the answers

What is the disadvantage of using a number scale?

<p>It becomes incorrect if the map is resized (A)</p> Signup and view all the answers

How do you use a bar scale to calculate the real distance?

<p>Measure the length of one segment, then measure the distance on the map, calculate how many segments fit into the measured distance, and multiply by the scale distance (B)</p> Signup and view all the answers

What is the definition of a scale?

<p>A ratio representing the distance on the map to the actual distance in real life (C)</p> Signup and view all the answers

What is the advantage of using a number scale?

<p>It is simpler to use as it requires measuring only one distance (B)</p> Signup and view all the answers

What is the purpose of using scales in maps?

<p>To accurately interpret and navigate maps (B)</p> Signup and view all the answers

What does the scale 1:50 represent in a map?

<p>1 unit on the map is equal to 50 units in real life (A)</p> Signup and view all the answers

What is the purpose of using clear and concise language when providing directions?

<p>To make it easy for the person to follow the directions (A)</p> Signup and view all the answers

What is the range of a probability scale?

<p>0 to 1 (B)</p> Signup and view all the answers

What is the definition of a fair game in probability?

<p>A game with an equal chance of winning or losing (D)</p> Signup and view all the answers

What is the formula for calculating probability?

<p>P(E) = Number of favourable outcomes / Total number of possible outcomes (C)</p> Signup and view all the answers

What is the purpose of a tree diagram in probability?

<p>To show all possible outcomes of an event (C)</p> Signup and view all the answers

What is the definition of an outcome in probability?

<p>The result of a single trial (A)</p> Signup and view all the answers

What is the formula for the complement of an event?

<p>P(not E) = 1 - P(E) (A)</p> Signup and view all the answers

What is the purpose of weather predictions?

<p>To analyze past weather data to predict future weather patterns (A)</p> Signup and view all the answers

What is the probability of an event that is certain to happen?

<p>1 (A)</p> Signup and view all the answers

What is the purpose of separating numbers into groups of three digits when writing large numbers in words?

<p>To make the number easier to read (B)</p> Signup and view all the answers

What type of numbers are used to represent financial values?

<p>Money Amounts (A)</p> Signup and view all the answers

Which convention is used to separate whole numbers from decimal fractions in South Africa?

<p>Decimal comma (B)</p> Signup and view all the answers

What is the purpose of using a place value table?

<p>To identify the place value of each digit (B)</p> Signup and view all the answers

What type of numbers are used to represent rates?

<p>Percentages (B)</p> Signup and view all the answers

How do you compare numbers when arranging them in order?

<p>Starting from the leftmost column (A)</p> Signup and view all the answers

What is the purpose of using formulas and steps for number formats and conventions?

<p>To ensure consistency and accuracy (A)</p> Signup and view all the answers

What type of numbers are used to represent identification numbers?

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

What is the main purpose of estimating in mathematics?

<p>To check the accuracy of answers (A)</p> Signup and view all the answers

Which of the following is an example of an improper fraction?

<p>5/3 (B)</p> Signup and view all the answers

What is the result of multiplying a number by 100?

<p>Shift each digit to the left by two places (D)</p> Signup and view all the answers

What is the purpose of using the BODMAS rule?

<p>To perform calculations in the correct order (C)</p> Signup and view all the answers

What type of graph represents a trend, such as the increase or decrease in prices over time?

<p>Line graph (A)</p> Signup and view all the answers

What is the definition of a rate?

<p>A comparison of two numbers with different units (D)</p> Signup and view all the answers

What is the purpose of calculating a percentage?

<p>To express a value as a fraction of 100 (B)</p> Signup and view all the answers

What is the definition of a steep slope in a graph?

<p>A slope that indicates a quick change (A)</p> Signup and view all the answers

What is the purpose of rounding numbers?

<p>To make calculations more approximate (D)</p> Signup and view all the answers

What is the formula to convert tsp to ml?

<p>Volume in tsp × 5 (C)</p> Signup and view all the answers

What is the definition of a proportion?

<p>A relationship indicating that two ratios are equal (B)</p> Signup and view all the answers

What is the instrument used to measure the length of a room?

<p>Measuring Tape (D)</p> Signup and view all the answers

What is the purpose of estimating answers to calculations?

<p>To think about a problem before working it out (D)</p> Signup and view all the answers

What is the correct order of operations when evaluating expressions?

<p>Brackets, Orders, Division, Multiplication, Addition, Subtraction (C)</p> Signup and view all the answers

What is the formula to calculate the total cost of an item?

<p>Total Cost = Weight Needed × Price per Kilogram (A), Total Cost = Length Needed × Price per Meter (C), Total Cost = Volume Needed × Price per Liter (D)</p> Signup and view all the answers

What is 1 liter equal to in milliliters?

<p>1000 ml (D)</p> Signup and view all the answers

What is the purpose of the 'Change Sign' key on a calculator?

<p>To change the sign of a number from positive to negative or vice versa (B)</p> Signup and view all the answers

What is the result of multiplying a number by 100?

<p>Shifting each digit two places to the left (C)</p> Signup and view all the answers

What is the purpose of a scale in map drawing?

<p>To represent a real-life measurement on a map (A)</p> Signup and view all the answers

What is the instrument used to measure the weight of a person?

<p>Bathroom Scales (A)</p> Signup and view all the answers

What is the temperature at which water freezes at sea level?

<p>0°C (C)</p> Signup and view all the answers

What is the probability of an event that is certain to occur?

<p>1 (C)</p> Signup and view all the answers

What is the definition of a mixed number?

<p>A combination of a whole number and a fraction (A)</p> Signup and view all the answers

What is the purpose of a tree diagram in probability?

<p>To show all possible outcomes of an event (B)</p> Signup and view all the answers

What is the purpose of using brackets in calculations?

<p>To indicate the order of operations (A)</p> Signup and view all the answers

What is the formula to convert ml to tsp?

<p>Volume in ml ÷ 5 (D)</p> Signup and view all the answers

What is the instrument used to measure the distance travelled by a vehicle?

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

What is the result of adding a number and its opposite?

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

What is the purpose of graph interpretation in Mathematical Literacy?

<p>To understand the relationship between two variables (A)</p> Signup and view all the answers

What is the formula for calculating the probability of an event?

<p>P(E) = Number of favourable outcomes / Total number of possible outcomes (A)</p> Signup and view all the answers

What is the term for a game that has an equal chance of winning or losing?

<p>Fair game (A)</p> Signup and view all the answers

What does a graph touching the vertical axis indicate?

<p>The starting value of the dependent variable (C)</p> Signup and view all the answers

What is the purpose of converting fractions to decimal fractions?

<p>To make calculations easier (D)</p> Signup and view all the answers

What is the scale of a map that represents 1 unit on the map as 100 units in reality?

<p>1:100 (C)</p> Signup and view all the answers

What is the definition of a negative number?

<p>A number less than zero (B)</p> Signup and view all the answers

What is the purpose of using a scale in a floor plan?

<p>To show the measurement of the room (B)</p> Signup and view all the answers

What is the formula for a linear relationship?

<p>y = mx + c (A)</p> Signup and view all the answers

What is the formula to convert a measured distance on a map to the real distance?

<p>Real Distance = Measured Distance on Map × Scale Factor (D)</p> Signup and view all the answers

What is the purpose of grouping numbers in multiplication and addition?

<p>To make multiplication and addition easier (D)</p> Signup and view all the answers

What is the term for the actual result of an experiment?

<p>Relative frequency (D)</p> Signup and view all the answers

What type of graph represents whole numbers and is shown by points connected with dotted lines?

<p>Discrete graph (D)</p> Signup and view all the answers

What is the definition of an independent variable?

<p>A variable that stands alone and isn't affected by other variables (A)</p> Signup and view all the answers

What is the probability of an event that is impossible to occur?

<p>0 (A)</p> Signup and view all the answers

What is the formula for the complement of an event?

<p>P(not E) = 1 - P(E) (D)</p> Signup and view all the answers

What is the first step in plotting points on a grid?

<p>Start at the origin (0,0) (D)</p> Signup and view all the answers

What is the purpose of using a seating plan in a cinema?

<p>To show the location of the seats (D)</p> Signup and view all the answers

What is the definition of a decreasing graph?

<p>A graph that shows a decline in values (A)</p> Signup and view all the answers

What is the formula for an inverse proportion?

<p>y = k/x (D)</p> Signup and view all the answers

What is the definition of a linear pattern?

<p>A pattern that forms a straight line on a graph (C)</p> Signup and view all the answers

What is the purpose of identifying patterns in data?

<p>To develop a rule or formula to describe the pattern (A)</p> Signup and view all the answers

What is the formula to convert millilitres to litres?

<p>Volume in l = Volume in ml ÷ 1000 (B)</p> Signup and view all the answers

What is the conversion factor from millimetres to centimetres?

<p>10 mm = 1 cm (C)</p> Signup and view all the answers

What is the purpose of a scale on a map?

<p>To represent the distance on the map to the actual distance in real life (D)</p> Signup and view all the answers

What is the formula to calculate the real distance using a number scale?

<p>Real Distance = Measured Distance on Map × Scale Factor (C)</p> Signup and view all the answers

What is the formula to convert grams to kilograms?

<p>Weight in kg = Weight in g ÷ 1000 (B)</p> Signup and view all the answers

What is the formula to convert cups to millilitres?

<p>Volume in ml = Volume in cups × 250 (C)</p> Signup and view all the answers

What is the advantage of using a bar scale?

<p>It remains accurate when the map is resized (D)</p> Signup and view all the answers

What is the formula to convert kilograms to tonnes?

<p>Weight in t = Weight in kg ÷ 1000 (B)</p> Signup and view all the answers

What is the formula to calculate the scaled measurement when drawing a scaled map?

<p>Scaled Measurement = Actual Measurement / Scale Factor (D)</p> Signup and view all the answers

What is the formula to convert milligrams to grams?

<p>Weight in g = Weight in mg ÷ 1000 (B)</p> Signup and view all the answers

What is the disadvantage of using a number scale?

<p>It becomes inaccurate when the map is resized (C)</p> Signup and view all the answers

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

<p>To calculate the real distance from the measured distance on the map (C)</p> Signup and view all the answers

What is the formula to convert teaspoons to millilitres?

<p>Volume in ml = Volume in tsp × 15 (C)</p> Signup and view all the answers

What is the formula to convert litres to kilolitres?

<p>Volume in kl = Volume in l ÷ 1000 (B)</p> Signup and view all the answers

What is the formula to calculate the real distance using a bar scale?

<p>Real Distance = (Measured Distance on Map / Length of One Segment) × Distance Represented by One Segment (D)</p> Signup and view all the answers

What is the formula to convert centimetres to metres?

<p>Length in m = Length in cm ÷ 100 (B)</p> Signup and view all the answers

What is the advantage of using a number scale?

<p>It is simple to use and requires measuring only one distance (B)</p> Signup and view all the answers

What is the formula to convert millilitres to litres?

<p>Volume in l = Volume in ml ÷ 1000 (C)</p> Signup and view all the answers

What is the disadvantage of using a bar scale?

<p>It requires measuring the length of one segment and then calculating how many segments fit the measured distance (D)</p> Signup and view all the answers

What are the two types of scales used on maps?

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

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser