Proportional Relationships

Front

The constant of proportionality is the same as the _________.

Back

unit rate

Front

Toby brings his math teacher 3 brownies every week. How many brownies will Toby's math teacher receive in 5 weeks?

Back

15

Front

At a baseball stadium, sixteen hot dogs are sold each minute. At this rate how many hot dogs are sold in 30 minutes?

Back

480

Front

A cafeteria worker knows that she needs to prepare 1 tray of tater tots for every 20 kids. If 180 kids will be eating in the cafeteria, how many bags of tater tots does she need to prepare?

Back

9

Front

Find the constant of proportionality on this table of values.

Back

k=1

Front

What is a proportional relationship?

Back

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

Front

If y is directly proportional to x, what is the equation that represents this relationship?

Back

y = kx, where k is the constant of proportionality.

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the value of y by the value of x for any pair of corresponding values.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the constant of proportionality?

Back

k = 2/3.

Front

In a proportional relationship, if x doubles, what happens to y?

Back

y also doubles.