Unit 3 Test

Front

What is the formula to calculate time when distance and speed are known?

Back

Time = Distance ÷ Speed

Front

If a car travels 210 miles in 3 hours, what is its speed in miles per hour?

Back

Speed = Distance ÷ Time = 210 miles ÷ 3 hours = 70 miles per hour

Front

How do you convert pounds to kilograms?

Back

Multiply the weight in pounds by 0.45 to get the weight in kilograms.

Front

What is 40% of 140?

Back

40% of 140 = 0.40 × 140 = 56.

Front

How do you find the percentage of a part compared to a whole?

Back

Percentage = (Part ÷ Whole) × 100.

Front

If Lilly runs 1 lap in 1.2 minutes, how long will it take her to run 10 laps?

Back

10 laps × 1.2 minutes/lap = 12 minutes.

Front

What is the total weight in kilograms of a kitten that weighs 5 pounds?

Back

5 pounds × 0.45 = 2.25 kilograms.

Front

How many students are 11 years old if 40% are 13 and 50% are 12 in a group of 140?

Back

140 - (56 + 70) = 14 students are 11 years old.

Front

What is the total time in minutes for Lilly to run 25 laps if each lap takes 1.2 minutes?

Back

25 laps × 1.2 minutes/lap = 30 minutes.

Front

If there are 20 pieces of fruit and 5 are oranges, what percentage of the fruit are oranges?

Back

(5 ÷ 20) × 100 = 25%.