Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same form.

Front

What is the ratio of 10 to 12 in simplest form?

Back

The simplest form of the ratio 10:12 is 5:6.

Front

If a recipe calls for a ratio of 4:3 for ingredients, how much of each ingredient is needed if you have 8 cups of the first ingredient?

Back

You would need 6 cups of the second ingredient.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first quantity by the second quantity to express the ratio as a quantity per one unit of the second quantity.

Front

If Zayd ran 2 kilometers in 15 minutes, what is his speed in kilometers per hour?

Back

Zayd's speed is 8 km/h.

Front

If Saide ran 3 kilometers in 20 minutes, what is her speed in kilometers per hour?

Back

Saide's speed is 9 km/h.

Front

How do you determine who is faster between two runners?

Back

Compare their speeds (unit rates); the one with the higher speed is faster.

Front

If Shaun uses a ratio of 4 cups of white to 3 cups of red paint, how many cups of red does he need for 8 cups of white?

Back

Shaun needs 6 cups of red paint.