Ratios

Front

What is a ratio?

Back

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

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 4:3), as a fraction (e.g., 4/3), or with the word 'to' (e.g., 4 to 3).

Front

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

Back

The ratio of triangles to squares is 4:3.

Front

What type of ratio is represented by 5 red M&Ms out of 16 total M&Ms?

Back

This is a part-to-whole ratio.

Front

In a class of 23 kids, if 5 play trumpet, what is the ratio of trumpet players to total kids?

Back

The ratio of trumpet players to total kids is 5:23.

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 7:5.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two parts of a whole to each other.

Front

What is a part-to-whole ratio?

Back

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

Front

If the ratio of cats to dogs is 2:3, how many cats are there if there are 15 dogs?

Back

If the ratio is 2:3, then there are 10 cats (2/3 of 15).

Front

How can you simplify the ratio 8:12?

Back

You can simplify the ratio 8:12 to 2:3 by dividing both sides by 4.