5.4 Understanding Ratios

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Ten soccer players were going to a soccer tournament with their three coaches. What is the ratio of coaches to players? 

• 10 : 3
• 10:13
• 3 : 10
• 3:13

What number is missing?

• 12
• 3
• 11
• 13

What are two ways to write a ratio for the number 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

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

What is the ratio of red apples to green apples

• 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

Write the ratio for blue to yellow marbles.

• 3/2
• 3/1
• 3/3
• 2/3

Complete the ratio table.

• 2

• 4

• 0

• 1

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3