Unit 3 Ratios Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

What does part-to-part ratio mean?

Back

A part-to-part ratio compares one part of a whole to another part of the same whole.

Front

What does part-to-whole ratio mean?

Back

A part-to-whole ratio compares one part of a whole to the entire whole.

Front

How can a ratio be expressed?

Back

A ratio can be expressed in three ways: as a fraction, with a colon (e.g., 1:3), or with the word 'to' (e.g., 1 to 3).

Front

If there are 4 apples and 6 oranges, what is the ratio of apples to oranges?

Back

2:3

Front

In a fruit bowl with 4 apples, 2 bananas, and 5 pears, what is the ratio of pears to all fruit?

Back

5:11

Front

What is the ratio of triangles to stars if there are 1 triangle for every 3 stars?

Back

1:3

Front

If a mini bag of M&Ms contains 16 M&Ms and 5 are red, what type of ratio is this?

Back

Part-to-Whole

Front

What is the total number of parts in the ratio 2:3?

Back

5 parts (2 + 3 = 5).

Front

If the ratio of boys to girls in a class is 3:4, how many girls are there if there are 12 boys?

Back

16 girls (since 3 parts correspond to 12 boys, 4 parts correspond to 16 girls).