proportional relationships (7th grade)

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

Define unit rate.

Back

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

Front

If Janiyah earns $62.50 for each hour worked, what is her total earnings for 4 hours?

Back

$250

Front

How do you find the calories per serving if a bag contains 355 calories and serves 2.5 people?

Back

Divide the total calories by the number of servings: 355 ÷ 2.5 = 142 calories per serving.

Front

What does the equation p = 3.5f represent in Janiyah's party planning?

Back

It represents the total cost (p) based on the number of guests (f) invited, where each guest costs $3.50.

Front

What is the meaning of a proportional graph?

Back

A proportional graph is a straight line that passes through the origin, indicating a constant ratio between the two variables.

Front

If Aidyn has $60 in his savings account, how many weeks have passed if the relationship is proportional?

Back

7 weeks.

Front

What is the formula to calculate the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a bag of Skittles costs $0.75, how much would 4 bags cost?

Back

$3.00 (0.75 x 4).

Front

What is the significance of the slope in a proportional relationship graph?

Back

The slope represents the unit rate or the constant of proportionality.