Ratios

A comparison of two quantities that can be written in three ways:

a to b, a:b, or a/b

• ratio
• addition

• negative numbers

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
• 3:10

Tell if the ratio is part-to-part or part-to-whole.
In a a mini bag of M&Ms, there are 16 M&Ms and 5 of them are red.

• Part-to-Part
• Part-to-Whole

what is the ratio of seals to turtles?

• 5 : 3
• 3 to 5
• 3 of 5

what is the ratio of turtles to seals

• 5 : 3
• 3 to 5
• 3 of 5

what is the ratio of seals to animals

• 5 : 3
• 3 to 8

• 3 of 5

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

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:10

• 1:3
• 3:11

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 4:3

There are 14 dogs and 13 cats. What is the ratio of dogs to cats?

• 13:14
• 14:13
• 27:14
• 14:27