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 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

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

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

What are three ways to write a ratio?

What is the ratio of blue circles to the total number of circles?

• 2:5

• 2:3

• 3:2

• 3:5

Is the following ratio part-to-part or part-to-whole?

5 out of 23 kids in a class play the trumpet.

• part-to-whole

• part-to-part

Which is a way NOT to present a ratio?

• As a fraction

• Using a colon (:)

• Using the word "to"

• None. All of these are right ways to write a ratio