Proportions Equivalent Ratios

18 vocab words learned in 2 hours; 27 vocab words learned in 3 hours

• yes, equivalent

• no, not equivalent

15 minutes to drive 21 miles; 25 minutes to drive 35 miles

• yes, equivalent

• no

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 2/3

• 1/3

• 10/16

There are 4 birds and 6 snakes. What is the ratio of birds to total animals?

• 4/10

• 4/6

• 6/4

• 10/4

John has a collection of toy cars. He has 2 red cars, 4 blue cars, 4 black cars, and 6 yellow cars. What is the ratio of red cars to yellow cars?

• 1:2

• 1:3

• 1:6

A hardware store sold 630 lawn mowers in one year. If 441 lawn mowers were purchased in the spring, what is the ratio of the number of lawn mowers purchased in the spring to the number purchased during the entire year?

• 3:10

• 3:7

• 7:10

• 10:7

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

88 students for 4 classes
How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student