Proportional vs Non Proportional Relationships (Tables)

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 where the ratio of one quantity to another is not constant.

Front

How can you identify a proportional relationship in a table?

Back

If the ratios of corresponding values are the same for all pairs, the relationship is proportional.

Front

What does the unit rate represent?

Back

The unit rate represents the amount of one quantity per one unit of another quantity.

Front

If a table shows values that double consistently, what type of relationship is it?

Back

Proportional relationship.

Front

What is the unit rate for 72 ounces for 12 servings?

Back

6 ounces per serving.

Front

If Shawn makes $7.50 an hour, how is this relationship represented graphically?

Back

It is represented as a proportional relationship.

Front

What is the unit rate for 405 rotations in 5 minutes?

Back

81 rotations per minute.

Front

Can a relationship be both proportional and non-proportional?

Back

No, a relationship can only be one or the other.

Front

What is an example of a non-proportional relationship?

Back

A relationship where one quantity increases but not at a constant rate, such as a flat fee plus a variable charge.