Proportional Relationships

Front

What is a unit rate?

Back

A unit rate is a fraction with a denominator of one.

Front

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

Back

A table is proportional if the unit rate is constant.

Front

If a job pays $56 for 8 hours of work, how much does it pay per hour?

Back

$7 per hour.

Front

What equation relates the weight of concrete blocks to the number of blocks?

Back

28b = w, where b is the number of blocks and w is the weight.

Front

Does the table represent a proportional relationship?

Back

Yes, if the ratios are constant.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

If 3 apples cost $1.50, what is the cost of 1 apple?

Back

$0.50 per apple.

Front

What does it mean for a relationship to be non-proportional?

Back

A non-proportional relationship does not maintain a constant ratio between two quantities.

Front

How do you find the unit rate from a ratio?

Back

Divide the numerator by the denominator.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Amount / Number of Units.