Ratios

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

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:5), the word 'to' (e.g., 3 to 5), or as a fraction (e.g., 3/5).

Front

What is the ratio of seals to turtles if there are 3 seals for every 5 turtles?

Back

3 to 5.

Front

What is the ratio of turtles to seals if there are 5 turtles for every 3 seals?

Back

5 : 3.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two parts of a whole, such as the number of red M&Ms to the total number of M&Ms.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares a part to the entire group, such as the number of red M&Ms to the total number of M&Ms.

Front

If there are 16 M&Ms and 5 are red, what type of ratio is this?

Back

Part-to-Whole.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

Write an equivalent ratio that is triple 7 to 11.

Back

21 to 33.

Front

If you buy 2 suckers and get 1 free, how many free suckers do you get if you buy 14 suckers?

Back

7 free suckers.