Gr 11 Math Lit: Ch 2 sum Measurements

What is the conversion factor used to convert weight from kilograms to pounds?

2.206 (correct)
3.0
1.8
1.0

What is the formula to convert temperature from Celsius to Fahrenheit?

°F = (1.8 × °C) + 32 (correct)
°F = (1.2 × °C) + 28
°F = (2.0 × °C) + 35
°F = (1.5 × °C) + 30

What is the purpose of conversion factors in measurements?

To eliminate the need for conversions
To provide exact values for measurements
To simplify complex calculations
To switch between different units of measurement (correct)

What is the formula to convert weight from pounds to kilograms?

Weight (kg) = Weight (pounds) ÷ 2.206 (D) Signup and view all the answers

What is the conversion factor used to convert volume from cubic meters to liters?

1,000 (A) Signup and view all the answers

What is the formula to convert temperature from Fahrenheit to Celsius?

°C = (°F - 32) ÷ 1.8 (C) Signup and view all the answers

What is the purpose of conversion factors specific to ingredients or materials?

To facilitate conversions between solid and liquid quantities (A) Signup and view all the answers

What is the conversion factor used to convert volume from milliliters to grams?

Conversion Factor for Volume (C) Signup and view all the answers

What is the unit of measurement for surface area?

Square units (e.g. mm^2, cm^2, m^2) (A) Signup and view all the answers

What is the formula for the surface area of a rectangular box?

SA = 2lw + 2lh + 2wh (B) Signup and view all the answers

What is the formula for the volume of a cylindrical container?

V = πr^2h (D) Signup and view all the answers

What is the conversion ratio between cubic meters and liters?

1 m^3 = 1000 l (D) Signup and view all the answers

What is the conversion ratio between cubic centimeters and milliliters?

1 cm^3 = 1 ml (A) Signup and view all the answers

Why is it important to convert between units when calculating surface area and volume?

To ensure that values are in the correct unit for the problem (B) Signup and view all the answers

What is the formula for the volume of a rectangular box?

V = lwh (D) Signup and view all the answers

What is the purpose of calculating surface area and volume?

To solve problems or make decisions in real-world contexts (A) Signup and view all the answers

What is an important consideration when converting between units?

That the conversion ratio is not always straightforward (D) Signup and view all the answers

What is the purpose of recording a measurement or estimation?

To write down the value, ensuring that it includes the correct units and reflects the appropriate level of precision (D) Signup and view all the answers

What is the purpose of calculating the surface area and spread rate of paint?

To determine the amount of paint needed (A) Signup and view all the answers

What is the formula to calculate the total liters of paint needed?

Paint Needed (liters) = Surface Area (m²) / Spread Rate (m²/liter) (C) Signup and view all the answers

What is the first step in converting time recording values?

Convert the hours, minutes, and seconds to a single unit (B) Signup and view all the answers

What is the formula to convert minutes to seconds?

Seconds = Minutes × 60 (C) Signup and view all the answers

What is the purpose of breaking down time values into hours, minutes, and seconds?

To find the difference between two time values (C) Signup and view all the answers

What is the first step in using a timetable?

Identify the week and dates of the events (C) Signup and view all the answers

What is the purpose of practical tips for performing conversions?

To ensure accuracy and avoid mistakes (B) Signup and view all the answers

What is the key concept in interpreting time recording values?

Converting time values to a single unit (D) Signup and view all the answers

Why is it important to understand the context in which the conversion is being performed?

To use the right units and conversion factors (D) Signup and view all the answers

What is the formula to convert hours to seconds?

Seconds = Hours × 3600 (A) Signup and view all the answers

How many seconds are in 5 minutes?

300 (B) Signup and view all the answers

What is the formula to convert hours to seconds?

Seconds = Hours × 3600 (C) Signup and view all the answers

What is the purpose of converting to a single unit when calculating time differences?

To simplify the calculation and ensure accuracy (B) Signup and view all the answers

What is the unit of measurement used to measure the weight of an object?

Kilograms (D) Signup and view all the answers

What is the purpose of using benchmarks when estimating quantities?

To provide a known reference point for estimation (D) Signup and view all the answers

What is the formula to convert minutes to hours?

Hours = Minutes ÷ 60 (D) Signup and view all the answers

What is the purpose of identifying the quantity to be measured or estimated?

All of the above (D) Signup and view all the answers

What is the formula to convert seconds to hours?

Hours = Seconds ÷ 3600 (B) Signup and view all the answers

What is the purpose of using significant figures in measurement and calculation?

To reflect the precision of the data (D) Signup and view all the answers

What is the purpose of error analysis in measurement?

To account for potential errors (D) Signup and view all the answers

What is the conversion factor used to convert weight from kilograms to pounds?

2.206 (A) Signup and view all the answers

What is the formula to convert temperature from Celsius to Fahrenheit?

°F = (1.8 × °C) + 32 (D) Signup and view all the answers

If a recipe requires 250 grams of flour, how many milliliters of flour are needed if the conversion factor is 1.25?

312.5 ml (B) Signup and view all the answers

What is the conversion factor used to convert volume from cubic meters to liters?

1,000 (D) Signup and view all the answers

If a container has a volume of 2 cubic meters, how many liters does it hold?

2,000 liters (D) Signup and view all the answers

What is the formula to convert weight from pounds to kilograms?

kg = pounds ÷ 2.206 (A) Signup and view all the answers

If a substance has a volume of 500 cubic centimeters, how many milliliters does it hold?

500 ml (D) Signup and view all the answers

What is the formula to convert temperature from Fahrenheit to Celsius?

°C = (°F - 32) ÷ 1.8 (A) Signup and view all the answers

What is the purpose of identifying the spread rate of the paint?

To determine the amount of paint needed for a specific area (D) Signup and view all the answers

What is the formula to calculate the total liters of paint needed?

Paint Needed (liters) = Surface Area (m²) ÷ Spread Rate (m²/liter) (B) Signup and view all the answers

Why is it important to double-check your calculations when converting between units?

To ensure accuracy and avoid mistakes (C) Signup and view all the answers

What is the result of converting 3 hours, 45 minutes, and 20 seconds to a single unit?

13820 seconds (B) Signup and view all the answers

What is the purpose of breaking down time values into hours, minutes, and seconds?

To perform calculations involving time differences (D) Signup and view all the answers

What is the formula to convert seconds to minutes?

Minutes = Seconds ÷ 60 (B) Signup and view all the answers

What is the purpose of using a timetable?

To plan and organize activities according to a specific schedule (B) Signup and view all the answers

What is the result of converting 240 minutes to hours?

2 hours (C) Signup and view all the answers

Why is it important to understand the context in which the conversion is being performed?

To use the right units and conversion factors (B) Signup and view all the answers

What is the purpose of converting time recording values to a single unit?

To perform calculations involving time differences (C) Signup and view all the answers

What is the surface area of a rectangular box with a length of 5 cm, a width of 3 cm, and a height of 2 cm?

62 cm² (B) Signup and view all the answers

What is the volume of a cylindrical container with a radius of 4 cm and a height of 6 cm?

384 cm³ (D) Signup and view all the answers

How many litres of water can a cubic meter hold?

1000 l (D) Signup and view all the answers

What is the conversion factor used to convert from cubic centimeters to milliliters?

1 cm³ = 1 ml (C) Signup and view all the answers

If a rectangular box has a length of 5 m, a width of 3 m, and a height of 2 m, what is its volume in cubic centimeters?

30,000,000 cm³ (C) Signup and view all the answers

What is the purpose of converting between units when calculating surface area and volume?

To ensure that the calculations are performed in the same unit (A) Signup and view all the answers

If a rectangular box has a surface area of 100 cm², and each side is increased by 2 cm, what is the new surface area?

196 cm² (D) Signup and view all the answers

What is the importance of considering the context in which the conversion is being performed?

To ensure that the conversion is relevant to the problem (B) Signup and view all the answers

What is the volume of a rectangular box with a length of 3 m, a width of 2 m, and a height of 1 m?

3 m³ (C) Signup and view all the answers

Why is it important to record the measurement or estimation?

To reflect the appropriate level of precision (B) Signup and view all the answers

What is the conversion factor used to convert minutes to seconds?

60 (A) Signup and view all the answers

What is the first step in calculating time differences?

Convert hours and minutes to seconds (A) Signup and view all the answers

What is the purpose of using benchmarks when estimating quantities?

To make reasonable estimates of quantities when exact measurement is not possible (D) Signup and view all the answers

What is the unit of measurement used to measure the surface area of an object?

Square meters (A) Signup and view all the answers

What is the purpose of using significant figures in measurement and calculation?

To reflect the precision of the data (A) Signup and view all the answers

What is the result of converting 2 hours, 30 minutes, and 40 seconds to a single unit?

9000 seconds (A) Signup and view all the answers

What is the purpose of error analysis in measurement?

To understand and account for potential errors in measurement (D) Signup and view all the answers

What is the conversion factor used to convert hours to seconds?

3600 (C) Signup and view all the answers

What is the purpose of measuring and estimating quantities?

To make reasonable estimates of quantities when exact measurement is not possible (B) Signup and view all the answers

What is the first step in using a timetable?

Extract key information to plan and organize activities effectively (C) Signup and view all the answers

What is the result of converting 5 kilograms to pounds using the conversion factor 2.206?

11.531 pounds (A) Signup and view all the answers

If a temperature is 27°C, what is the equivalent temperature in Fahrenheit using the given formula?

80.6°F (C) Signup and view all the answers

What is the result of converting 200 grams of a substance to milliliters if the conversion factor is 1.5?

133.33 ml (C) Signup and view all the answers

If a container has a volume of 3.5 cubic meters, how many liters does it hold?

3,500 liters (A) Signup and view all the answers

What is the result of converting 70°F to Celsius using the given formula?

20.56°C (C) Signup and view all the answers

What is the result of converting 250 milliliters to cubic centimeters?

250 cm³ (C) Signup and view all the answers

If a recipe requires 500 grams of flour, how many milliliters of flour are needed if the conversion factor is 1.2?

416.67 ml (A) Signup and view all the answers

What is the result of converting 4 cubic centimeters to milliliters?

4 ml (C) Signup and view all the answers

What is the surface area of a rectangular box with a length of 5cm, a width of 3cm, and a height of 2cm?

62cm^2 (B) Signup and view all the answers

A cylindrical container has a radius of 4cm and a height of 10cm. What is its volume?

502.4cm^3 (B) Signup and view all the answers

What is the volume of a rectangular box with a length of 6cm, a width of 4cm, and a height of 5cm?

120cm^3 (C) Signup and view all the answers

If a paint can hold 1 liter of paint, how many cubic centimeters does it hold?

1000cm^3 (C) Signup and view all the answers

A rectangular box has a surface area of 240cm^2. If its length is 6cm and its width is 4cm, what is its height?

5cm (D) Signup and view all the answers

What is the surface area of a cylinder with a radius of 3cm and a height of 8cm?

242.88cm^2 (C) Signup and view all the answers

If a container has a volume of 2.5 liters, how many cubic centimeters does it hold?

2500cm^3 (C) Signup and view all the answers

What is the volume of a rectangular box with a length of 8cm, a width of 6cm, and a height of 4cm?

192cm^3 (C) Signup and view all the answers

A cylindrical container has a radius of 5cm and a height of 12cm. What is its surface area?

442.88cm^2 (D) Signup and view all the answers

If a paint can hold 2.5 liters of paint, how many cubic meters does it hold?

0.0025m^3 (A) Signup and view all the answers

A paint can covers 25 square meters per liter. If a wall has a surface area of 150 square meters, how many liters of paint will be needed to cover it?

7.5 liters (D) Signup and view all the answers

What is the total number of seconds in 2 hours, 45 minutes, and 30 seconds?

10230 seconds (C) Signup and view all the answers

A painter needs to paint a room with a surface area of 300 square meters. The paint can covers 20 square meters per liter. How many liters of paint will be needed to cover the entire room?

18 liters (A) Signup and view all the answers

What is the total number of hours in 5400 seconds?

1.5 hours (B) Signup and view all the answers

A painter needs to paint a wall with a surface area of 200 square meters. The paint can covers 15 square meters per liter. How many liters of paint will be needed to cover the entire wall?

13.33 liters (B) Signup and view all the answers

What is the total number of minutes in 3600 seconds?

60 minutes (D) Signup and view all the answers

A painter needs to paint a surface with a surface area of 400 square meters. The paint can covers 25 square meters per liter. How many liters of paint will be needed to cover the entire surface?

15 liters (C) Signup and view all the answers

What is the total number of seconds in 1 hour, 20 minutes, and 15 seconds?

4815 seconds (A) Signup and view all the answers

A painter needs to paint a room with a surface area of 250 square meters. The paint can covers 12 square meters per liter. How many liters of paint will be needed to cover the entire room?

21.5 liters (A) Signup and view all the answers

What is the total number of hours in 8100 seconds?

2.25 hours (D) Signup and view all the answers

What is the purpose of converting between different units of measurement in the same system?

To simplify calculations (A) Signup and view all the answers

What is the primary benefit of using significant figures in measurement and calculation?

To reflect the precision of the data (B) Signup and view all the answers

What is the purpose of identifying the quantity to be measured or estimated?

To select the appropriate tool (A) Signup and view all the answers

What is the key concept in measuring time?

Interpreting time recording values (D) Signup and view all the answers

What is the purpose of error analysis in measurement?

To account for potential errors (A) Signup and view all the answers

What is the primary benefit of using rates and proportions in measurement?

To solve problems involving speed and density (A) Signup and view all the answers

What is the purpose of converting to a single unit when calculating time differences?

To enable the calculation of time differences (B) Signup and view all the answers

What is the primary benefit of using scaling in maps and models?

To represent real-life objects or distances accurately (D) Signup and view all the answers

What is the purpose of using benchmarks when estimating quantities?

To make estimations more accurate (A) Signup and view all the answers

What is the primary benefit of understanding the context in which the conversion is being performed?

To ensure the conversion is relevant and accurate (D) Signup and view all the answers

If a recipe requires 150 pounds of flour, how many kilograms of flour are needed?

68.04 kg (C) Signup and view all the answers

What is the temperature in Fahrenheit if a recipe requires 250°C?

488°F (C) Signup and view all the answers

If a container has a volume of 1.5 cubic meters, how many liters does it hold?

1,500 l (C) Signup and view all the answers

What is the weight in kilograms if a package has a weight of 220 pounds?

99.79 kg (C) Signup and view all the answers

If a substance has a volume of 300 milliliters, how many cubic centimeters does it hold?

300 cm³ (A) Signup and view all the answers

What is the temperature in Celsius if a weather report states that it is 80°F?

26.67°C (A) Signup and view all the answers

If a recipe requires 2 kilograms of sugar, how many pounds of sugar are needed?

4.409 pounds (B) Signup and view all the answers

What is the volume in liters if a container has a volume of 2.5 cubic meters?

2,500 l (D) Signup and view all the answers

What is the surface area of a rectangular box with a length of 5 cm, a width of 3 cm, and a height of 2 cm?

62 cm^2 (B) Signup and view all the answers

If a cylindrical container has a radius of 4 cm and a height of 6 cm, what is its volume in milliliters?

301.59 ml (A) Signup and view all the answers

A rectangular box has a volume of 480 cm^3. If the length and width are both 6 cm, what is the height of the box?

4 cm (B) Signup and view all the answers

If a container can hold 2 liters of water, what is its volume in cubic centimeters?

2000 cm^3 (C) Signup and view all the answers

What is the surface area of a cylinder with a radius of 3 cm and a height of 5 cm?

131.95 cm^2 (A) Signup and view all the answers

If a rectangular box has a length of 8 cm, a width of 5 cm, and a height of 3 cm, what is its volume in milliliters?

120.00 ml (D) Signup and view all the answers

What is the volume of a cylindrical container with a radius of 5 cm and a height of 8 cm?

628.32 cm^3 (D) Signup and view all the answers

If a container can hold 1500 milliliters of water, what is its volume in cubic meters?

1.0 m^3 (D) Signup and view all the answers

What is the surface area of a rectangular box with a length of 10 cm, a width of 8 cm, and a height of 5 cm?

290 cm^2 (C) Signup and view all the answers

If a cylindrical container has a radius of 6 cm and a height of 10 cm, what is its surface area in square centimeters?

452.39 cm^2 (D) Signup and view all the answers

What is the primary purpose of converting between units of measurement?

To ensure accuracy and consistency in measurement (D) Signup and view all the answers

What is the purpose of calculating the total liters of paint needed?

To ensure that sufficient paint is available for the job. (A) Signup and view all the answers

What is the key concept in measuring time?

Understanding the concept of seconds, minutes, and hours (D) Signup and view all the answers

What is the key concept in interpreting time recording values?

Converting time values to a single unit. (C) Signup and view all the answers

What is the formula to calculate the total liters of paint needed?

Paint Needed (liters) = Surface Area (m²) / Spread Rate (m²/liter) (B) Signup and view all the answers

What is the formula to convert minutes to hours?

Hours = Minutes / 60 (B) Signup and view all the answers

What is the purpose of using significant figures in measurement and calculation?

To reflect the precision of the data (A) Signup and view all the answers

Why is it important to understand the context in which the conversion is being performed?

To ensure accurate calculations. (D) Signup and view all the answers

What is the primary purpose of error analysis in measurement?

To identify potential sources of error (B) Signup and view all the answers

What is the purpose of double-checking your calculations when converting between units?

To ensure accuracy and avoid mistakes. (B) Signup and view all the answers

What is the formula to convert minutes to seconds?

Seconds = Minutes x 60 (D) Signup and view all the answers

What is the formula to convert seconds to hours?

Hours = Seconds / 3600 (B) Signup and view all the answers

What is the purpose of identifying the quantity to be measured or estimated?

To determine the appropriate unit of measurement (D) Signup and view all the answers

What is the purpose of breaking down time values into hours, minutes, and seconds?

To make it easier to perform calculations. (A) Signup and view all the answers

What is the formula to convert hours to seconds?

Seconds = Hours x 3600 (C) Signup and view all the answers

What is the key concept in estimating quantities?

Using benchmarks to make estimations (B) Signup and view all the answers

What is the purpose of using rates and proportions in measurement?

To solve problems involving speed, density, and other rate-based measures (D) Signup and view all the answers

What is the purpose of using practical tips for performing conversions?

To avoid mistakes and ensure accuracy. (C) Signup and view all the answers

What is the formula to convert hours to seconds?

Seconds = Hours × 3600 (C) Signup and view all the answers

What is the first step in converting time recording values?

Break down the time values into hours, minutes, and seconds. (D) Signup and view all the answers

Gr 11 Math Lit: Ch 2 sum Measurements

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Questions and Answers

What is the conversion factor used to convert weight from kilograms to pounds?

What is the formula to convert temperature from Celsius to Fahrenheit?

What is the purpose of conversion factors in measurements?

What is the formula to convert weight from pounds to kilograms?

What is the conversion factor used to convert volume from cubic meters to liters?

What is the formula to convert temperature from Fahrenheit to Celsius?

What is the purpose of conversion factors specific to ingredients or materials?

What is the conversion factor used to convert volume from milliliters to grams?

What is the unit of measurement for surface area?

What is the formula for the surface area of a rectangular box?

What is the formula for the volume of a cylindrical container?

What is the conversion ratio between cubic meters and liters?

What is the conversion ratio between cubic centimeters and milliliters?

Why is it important to convert between units when calculating surface area and volume?

What is the formula for the volume of a rectangular box?

What is the purpose of calculating surface area and volume?

What is an important consideration when converting between units?

What is the purpose of recording a measurement or estimation?

What is the purpose of calculating the surface area and spread rate of paint?

What is the formula to calculate the total liters of paint needed?

What is the first step in converting time recording values?

What is the formula to convert minutes to seconds?

What is the purpose of breaking down time values into hours, minutes, and seconds?

What is the first step in using a timetable?

What is the purpose of practical tips for performing conversions?

What is the key concept in interpreting time recording values?

Why is it important to understand the context in which the conversion is being performed?

What is the formula to convert hours to seconds?

How many seconds are in 5 minutes?

What is the formula to convert hours to seconds?

What is the purpose of converting to a single unit when calculating time differences?

What is the unit of measurement used to measure the weight of an object?

What is the purpose of using benchmarks when estimating quantities?

What is the formula to convert minutes to hours?

What is the purpose of identifying the quantity to be measured or estimated?

What is the formula to convert seconds to hours?

What is the purpose of using significant figures in measurement and calculation?

What is the purpose of error analysis in measurement?

What is the conversion factor used to convert weight from kilograms to pounds?

What is the formula to convert temperature from Celsius to Fahrenheit?

If a recipe requires 250 grams of flour, how many milliliters of flour are needed if the conversion factor is 1.25?

What is the conversion factor used to convert volume from cubic meters to liters?

If a container has a volume of 2 cubic meters, how many liters does it hold?

What is the formula to convert weight from pounds to kilograms?

If a substance has a volume of 500 cubic centimeters, how many milliliters does it hold?

What is the formula to convert temperature from Fahrenheit to Celsius?

What is the purpose of identifying the spread rate of the paint?

What is the formula to calculate the total liters of paint needed?

Why is it important to double-check your calculations when converting between units?

What is the result of converting 3 hours, 45 minutes, and 20 seconds to a single unit?

What is the purpose of breaking down time values into hours, minutes, and seconds?

What is the formula to convert seconds to minutes?

What is the purpose of using a timetable?

What is the result of converting 240 minutes to hours?

Why is it important to understand the context in which the conversion is being performed?

What is the purpose of converting time recording values to a single unit?

What is the surface area of a rectangular box with a length of 5 cm, a width of 3 cm, and a height of 2 cm?

What is the volume of a cylindrical container with a radius of 4 cm and a height of 6 cm?

How many litres of water can a cubic meter hold?

What is the conversion factor used to convert from cubic centimeters to milliliters?

If a rectangular box has a length of 5 m, a width of 3 m, and a height of 2 m, what is its volume in cubic centimeters?

What is the purpose of converting between units when calculating surface area and volume?

If a rectangular box has a surface area of 100 cm², and each side is increased by 2 cm, what is the new surface area?

What is the importance of considering the context in which the conversion is being performed?

What is the volume of a rectangular box with a length of 3 m, a width of 2 m, and a height of 1 m?

Why is it important to record the measurement or estimation?

What is the conversion factor used to convert minutes to seconds?

What is the first step in calculating time differences?

What is the purpose of using benchmarks when estimating quantities?

What is the unit of measurement used to measure the surface area of an object?

What is the purpose of using significant figures in measurement and calculation?

What is the result of converting 2 hours, 30 minutes, and 40 seconds to a single unit?

What is the purpose of error analysis in measurement?

What is the conversion factor used to convert hours to seconds?

What is the purpose of measuring and estimating quantities?

What is the first step in using a timetable?