Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

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

Back

4 red apples to 3 green apples.

Front

What is the ratio of blue triangles to red squares if there are 4 blue triangles and 3 red squares?

Back

4:3.

Front

What is the ratio of blue circles to the total number of circles if there are 2 blue circles and 3 total circles?

Back

2:5.

Front

How many different ways can you write a ratio?

Back

3.

Front

What does it mean when we say a ratio is in simplest form?

Back

It means the quantities in the ratio cannot be reduced any further.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

10 boys.

Front

What is a part-to-part ratio?

Back

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

Front

What is a part-to-whole ratio?

Back

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

Front

If there are 5 red marbles and 10 blue marbles, what is the ratio of red to blue marbles?

Back

1:2.