Proportional/non Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is a relationship between two quantities where the ratio is not constant.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

If a job pays $56 for 8 hours of work, what is the pay per hour?

Back

$7 per hour.

Front

Does the table represent a proportional relationship if the ratios are not constant?

Back

No.

Front

Find the unit rate: 405 rotations in 5 minutes.

Back

81 rotations per minute.

Front

Find the unit rate: 72 ounces for 12 servings.

Back

6 ounces per serving.

Front

If you travel 150 miles on 5 gallons, how far do you travel per gallon?

Back

30 miles.

Front

What is the formula for calculating a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

What does it mean if two quantities are directly proportional?

Back

It means that as one quantity increases, the other quantity increases at a constant rate.