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 a ratio be expressed?

Back

A ratio can be expressed in three ways: 1) as a fraction (e.g., 3/4), 2) with a colon (e.g., 3:4), and 3) in words (e.g., 3 to 4).

Front

What is the ratio of 3 blue marbles to 5 yellow marbles?

Back

3:5

Front

If there are 2 red marbles and 5 yellow marbles, what is the ratio of red to yellow?

Back

2:5

Front

Ella has 5 balloons and Taylor has 7 balloons. What is the ratio of Ella's balloons to Taylor's balloons?

Back

5:7

Front

What is the ratio of 3 orange circles to 2 blue circles?

Back

3:2

Front

If there are 4 blue triangles and 3 red squares, what is the ratio of blue triangles to red squares?

Back

4:3

Front

Which of the following is NOT a way to write a ratio? 3=4, 3:4, 3/4, 3 to 4

Back

3=4

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Front

If the ratio of cats to dogs is 2:3, how many dogs are there if there are 4 cats?

Back

6 dogs (because 4 cats is 2 times 2, so 3 times 2 is 6 dogs).