Ratios and Rates Flashcard

Front

What is a Ratio?

Back

A comparison of two quantities.

Front

If there are 5 boys and 7 girls, write the ratio of girls to boys.

Back

7 to 5

Front

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all the toy cars?

Back

3:10

Front

A store sells 6 cans of soda for $4.50. What is the unit rate of the cost of one can of soda?

Back

$0.75

Front

What is a Rate?

Back

A special kind of ratio that compares two quantities with different units.

Front

How do you simplify a ratio?

Back

Divide both terms of the ratio by their greatest common factor.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

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

Front

What is the ratio of 8 apples to 12 oranges?

Back

2:3 after simplification.

Front

If a car travels 150 miles in 3 hours, what is the rate of speed?

Back

50 miles per hour.