Intro to Ratios and Equivalent Ratios

Which is true about the picture?

• There are 4 moons for every lightning bolt.

• There are 2 suns for every moon.

• There are 2 suns for every lightning bolt.

• The ratio of lightning bolts to moons is 3 to 4.

What is the ratio of plus signs to equal signs?

• 2:7

• 4:9

• 2:4

• 4:2

What is the ratio of equal signs to division signs?

• 2:7

• 7:2

• 2:4

• 2:11

What is the ratio of hearts to smiley faces?

• 5/8

• 3/5

• 5/3

• 8/5

There are 25 students in a class. 15 are boys and 10 are girls. What is the ratio of boys to girls?

• 10:15

• 5:1

• 15:10

• 15:25

There are 3 pandas at a local zoo. Each panda has 4 legs, 2 eyes, and one tail.

The ratio of total legs to total tails is:

• 12:3

• 3:12

• 2:12

• 2:4

When Hannah makes rice, she uses 2 cups of rice, 3 cups of water and 1 tablespoon of butter. She notices she only has 1 cup of rice left. How much water and butter will she need to make the rice so it tastes the same?

• 3 cups of water and 1 tablespoon of butter

• 1 1/2 cups of water and 1/2 tablespoon of butter

• 1 1/2 cups of water and no butter

• 1 cup of water and 1/2 tablespoon of butter

Which ratio is equivalent to 5:20?

• 10:20

• 25:28

• 8:40

• 15:60

Here is a diagram that describes the cups of green and white paint in a mixture.

Which of these is true?

• The ratio of cups of white paint to cups of green paint is 2 to 4.

• For every cup of green paint, there are two cups of white paint.

• The ratio of cups of green paint to cups of white paint is 2:4.

• For every cup of white paint there are three cups of green paint.

What is another way to write this ratio: 5 to 7?

• 7:5

• 57

• 5:7

• 5*7