Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How can ratios be expressed?

Back

Ratios can be expressed in three ways: 1) using a colon (e.g., 2:3), 2) using the word 'to' (e.g., 2 to 3), and 3) as a fraction (e.g., 2/3).

Front

What is the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

If Ella has 5 balloons and Taylor has 7 balloons, what is the ratio of Ella's balloons to Taylor's balloons?

Back

The ratio of Ella's balloons to Taylor's balloons is 5:7.

Front

What does part to part ratio mean?

Back

A part to part ratio compares two parts of a whole, such as comparing the number of boys to girls in a class.

Front

What does part to whole ratio mean?

Back

A part to whole ratio compares a part of a group to the entire group, such as the number of students who play trumpet to the total number of students.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

If there are 5 out of 23 kids in a class who play trumpet, what type of ratio is this?

Back

This is a part to whole ratio.

Front

How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together.

Front

What is the total number of toy cars if there are 2 black, 3 red, and 5 white toy cars?

Back

The total number of toy cars is 10 (2 + 3 + 5).