Unit Rates and Proportions

Front

What is a unit rate?

Back

A rate with a second quantity of 1 unit.

Front

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

Back

$2.45

Front

Write the ratio as a fraction in simplest form: 15 children out of 60 passengers.

Back

1/4

Front

In an animal shelter, there are 5 dogs for every 20 cats. Which rate best represents the relationship between dogs and cats?

Back

10 dogs for every 40 cats.

Front

If Mrs. Nuckels used 3 cups of flour to make 60 cookies, how many cups of flour did she use to make 90 cookies?

Back

4 1/2 cups.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

How do you find a unit rate?

Back

Divide the first quantity by the second quantity.

Front

What is a ratio?

Back

A comparison of two quantities.

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 does it mean to simplify a ratio?

Back

To reduce it to its simplest form by dividing both terms by their greatest common factor.