Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

A ratio 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 total number of pieces in a bag containing 4 red, 5 yellow, 7 blue, and 12 green pieces?

Back

The total number of pieces is 4 + 5 + 7 + 12 = 28.

Front

How do you find the ratio of yellow pieces to total pieces?

Back

The ratio of yellow pieces (5) to total pieces (28) is written as 5:28.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

If a recipe calls for 2 tablespoons of mix for every 8 ounces of water, how much mix is needed for 20 ounces of water?

Back

For 20 ounces of water, you need 5 tablespoons of mix.

Front

How do you calculate speed?

Back

Speed is calculated by dividing the distance traveled by the time taken, expressed as distance/time.

Front

If Lisa drove 156 miles in 3 hours, what was her speed?

Back

Lisa's speed was 156 miles ÷ 3 hours = 52 miles per hour.

Front

If Donald drove 320 miles in 5 hours, what was his speed?

Back

Donald's speed was 320 miles ÷ 5 hours = 64 miles per hour.

Front

Who drove faster: Lisa or Donald?

Back

Donald drove faster at 64 miles per hour.