Ratios, Equivalent Ratios, Ratio Tables, Proportions

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

What are three ways to write a ratio for the amount of dogs compared to the number of cats.

• 7:11

• 11:7

• 11 to 7

• 11/7

• 12 to 7

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

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

• 6/4

• 4/6

• 1/3

• 10/16

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5

• 1:3

• 3:11

• 3:10

Complete the ratio table.

• 6

• 8

• 9

• 5

Complete the ratio table.

• 2

• 4

• 0

• 1

Complete the ratio table.

• 6 & 15

• 4 & 12

• 3 & 8

• 6 & 18

Complete the ratio table.

• 9 & 12

• 8 & 10

• 6 & 8

• 4 & 6

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14