1A 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. It can be expressed in different forms such as fractions, decimals, or with a colon.

Front

How can a ratio be written?

Back

Front

What does part-to-part ratio mean?

Back

A part-to-part ratio compares two parts of a whole. For example, in the ratio of 4 apples to 3 oranges, it shows the relationship between apples and oranges.

Front

What does part-to-whole ratio mean?

Back

A part-to-whole ratio compares a part of a whole to the entire whole. For example, if there are 4 apples out of 10 fruits, the part-to-whole ratio of apples is 4:10.

Front

What is the ratio of coaches to students if there are 12 boys, 10 girls, and 1 coach?

Back

The ratio of coaches to students is 1 to 22.

Front

Back

3=4 does NOT represent a valid ratio.

Front

If there are 5 ducks and 30 geese, what is the ratio of ducks to geese?

Back

The ratio of ducks to geese is 5 to 30.

Front

How do you simplify the ratio 2:6?

Back

The ratio 2:6 can be simplified to 1:3 by dividing both sides by 2.

Front

What is the relationship of oranges to fruit if there are 2 oranges and 6 fruits?

Back

The relationship of oranges to fruit is represented by the ratio 2:6.

Front

If a recipe calls for 4 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 4:2, which simplifies to 2:1.