7th Gr Final Review #1 - Ch1 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 quantity is constant.

Front

If snow falls at a rate of 3 inches per hour, how much snow will fall in 2.5 hours?

Back

7.5 inches.

Front

Convert 36 cm/min to m/h.

Back

21.6 m/h.

Front

How do you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of the corresponding values are constant.

Front

If it takes 4 quarts of paint to cover 560 square feet, how many quarts are needed for 140 square feet?

Back

1 quart.

Front

A car travels 160 miles in 4 hours. How far will it travel in 7 hours?

Back

280 miles.

Front

What is the formula for finding the unit rate?

Back

Unit rate = Total quantity / Number of units.

Front

What does it mean for two quantities to be directly proportional?

Back

Two quantities are directly proportional if increasing one quantity results in a proportional increase in the other quantity.

Front

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

5 cups of flour.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities.