Ratios and Percent

Terry, a plumber, worked 9 months out of the year. What percent of the year was Terry NOT WORKING?

• 20% of the year

• 25% of the year

• 30% of the year

• 35% of the year

The ratio of boys to girls in Ella's grade is 3 to 4. There are 20 girls total in Ella's grade. How many boys are in her grade?

• 15

• 12

• 18

• 14

The ratio of boys to girls in Minh's grade is 4 to 5. There are 20 girls total in her grade. How many boys are in her grade?

• 16

• 20

• 15

• 14

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

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

Beth went to a petting zoo with 23 animals. 9 were goats, 6 were sheep, and the rest were dogs. What is the ratio of dogs to goats?

• 9 to 6

• 8 to 9

• 9 to 23

• 6 to 9

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

There are 21 boys and 6 girls in Mr. Keys' homeroom.  What is the ratio of girls to boys?  

• 6:21

• 21:6

• 2:7

• 7:2

What is a Ratio?

• It's a comparison of two things

• Multiplying two fractions 

• A number over another number

• Two decimals that can be multiplied

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