SOL Prep_M7U5_Day3_Activity

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

How do you find a missing value in a proportional relationship?

Back

To find a missing value, set up a proportion using the known values and solve for the unknown.

Front

If the ratio of hot dogs to hamburgers is 8:3, how do you find the number of hamburgers sold if 272 hot dogs were sold?

Back

Use the ratio to set up a proportion: 8/3 = 272/x, then solve for x.

Front

What is the formula for solving proportions?

Back

Front

How do you enlarge a photo while maintaining its aspect ratio?

Back

To enlarge a photo while maintaining its aspect ratio, multiply both dimensions by the same scale factor.

Front

What is the scale factor if a photo is enlarged from 2.9 in to 17.4 in?

Back

Front

How do you calculate the total gallons of water pumped in a given time?

Back

Use the rate of water pumped (gallons per hour) and multiply by the total hours.

Front

What is the unit rate in the context of the Phillips family's pool?

Back

Front

What does it mean for a proportion to be invalid?

Back

A proportion is invalid if it does not maintain the same ratio between the quantities.

Front

How do you determine which proportion cannot be used in a problem?

Back

Analyze the proportions to see if they maintain the same relationship as the original quantities.