Ratios, Rates and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is a Rate?

Back

A rate is a ratio that compares two different units, such as miles per hour.

Front

What is a Unit Rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

If 4 apples cost $2, what is the unit rate per apple?

Back

$0.50 per apple.

Front

What is the ratio of 10 dimes to 5 nickels?

Back

2 to 1.

Front

If a car travels 300 miles in 5 hours, what is the rate in miles per hour?

Back

60 miles per hour.

Front

How do you simplify the ratio 8:12?

Back

4:6 or 2:3.

Front

If 3 notebooks cost $6, what is the price per notebook?

Back

$2 per notebook.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, showing the same relationship between quantities.

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.