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., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

What is the ratio of cones to soccer balls if there are 12 cones and 20 soccer balls?

Back

12 to 20.

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

13 to 10.

Front

What does part-to-part ratio mean?

Back

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

Front

What does part-to-whole ratio mean?

Back

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

Front

If there are 4 stars for every 11 circles, what is the ratio of stars to circles?

Back

4:11.

Front

How can you simplify the ratio 20 to 12?

Back

By dividing both numbers by their greatest common divisor, which is 4, the simplified ratio is 5 to 3.

Front

What is the ratio of triangles to squares if there are 4 triangles and 6 squares?

Back

4:6, which simplifies to 2:3.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3.