Simplifying Ratios

What is the ratio of green marbles to red marbles?

• 3/2

• 3/1

• 3/3

• 2/3

What is the ratio of red circles to blue stars?

• 3:4

• 7/4

• 11/4

• 4 to 7

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

Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

• $60.00

• $20.00

• $40.00

• $10.00

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 box of sweets ⁷/₁₀ of the sweets are red. The rest are purple.

What is the ratio of red sweets to purple sweets?

• 3 : 7

• 7 : 3

• 3 : 10

• 7 : 10

In a fruit bowl ³/₅ of the fruit are apples. The rest are oranges.

What is the ratio of apples to oranges?

• 3 : 5

• 5 : 3

• 3 : 2

• 3 : 8

In a box of sweets ¹/₄ of the sweets are green. The rest are orange.

What is the ratio of orange sweets to green sweets?

• 3 : 1

• 1 : 3

• 1 : 4

• 4 : 1

In a bunch of flowers ¹/₃ of the flowers are tulips. The rest are roses.

What is the ratio of roses to tulips?

• 3 : 1

• 1 : 3

• 1 : 2

• 2 : 1

Find the missing value for the ratio.

• 3

• 9

• 7

• 21