Proportions, Rates, and Unit Rates

Front

What mathematical operation does unit rates involve? Options: addition, subtraction, multiplication, division

Back

division

Front

When are unit rates useful?

Back

When you want to compare prices.

Front

88 students for 4 classes
How many students per class?

Back

22 students per class

Front

Which ratio is NOT equivalent to 3:5? Options: 15:25, 9:15, 21:28, 30:50

Back

21:28

Front

Do the ratios form a proportion?

Back

No, they do not form a proportion.

Front

Fill in the missing number into the ratio table

Back

15

Front

What is a proportion?

Back

When two ratios are equivalent and show the same value

Front

What is the ratio of red apples to green apples? Options: 7 apples to 3 green, 4 red apples to 7 apples, 4 red apples to 3 green apples, 3 green apples to 4 red apples

Back

4 red apples to 3 green apples

Front

Dimes to total number of coins ratio with 3 pennies, 4 nickels, and 5 dimes.

Back

5:12

Front

Solve the proportion: k=?

Back

k=5