Ratios, Rates, Unit Rates Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you write the ratio of girls to boys if there are 7 girls and 5 boys?

Back

7 to 5

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per unit' (e.g., miles per hour, dollars per item).

Front

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

Back

2 to 1

Front

How do you find the equivalent ratio of 3:5?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

If there are 30 tenants and the ratio of tenants to cars is 3:5, how many cars are there?

Back

50 cars

Front

What is the unit price if 6 gallons of gasoline cost $15.00?

Back

$2.50 per gallon

Front

Which of the following ratios is NOT equivalent to 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28 is NOT equivalent to 3:5.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 to 3