Proportions and Unit Rates

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

What is a unit rate?

Back

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

Front

How do you determine if a relationship is proportional?

Back

A relationship is proportional if the ratio between two quantities remains constant.

Front

What is the unit rate of 4 apples for $2?

Back

The unit rate is $0.50 per apple.

Front

If 3 gallons of paint cover 120 square feet, what is the unit rate of coverage per gallon?

Back

The unit rate is 40 square feet per gallon.

Front

True or False: A proportional relationship can have a fixed cost added to it.

Back

False. A proportional relationship does not include fixed costs.

Front

What is the missing value in the proportion: 2/3 = x/12?

Back

The missing value is 8.

Front

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

Back

The unit rate is 50 miles per hour.

Front

What is the unit rate of 10 cookies for $5?

Back

The unit rate is $0.50 per cookie.

Front

How do you find the unit rate from a table of values?

Back

To find the unit rate, divide the value of one quantity by the corresponding value of the other quantity.