Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then isolate the variable.

Front

What is a unit rate?

Back

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

Front

If a young dolphin catches 8 fish, how many does an old dolphin catch if it catches three times as many?

Back

24 fish.

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if two quantities maintain a constant ratio.

Front

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

Back

Check if the ratios of the corresponding values are equivalent.

Front

What is the unit rate for Madeline who ran 21.7 miles in 7 hours?

Back

3.1 miles per hour.

Front

If k/3 = 5, what is the value of k?

Back

k = 15.

Front

What is the first step in solving a proportion?

Back

Cross-multiply the terms.

Front

What is the definition of a ratio?

Back

A ratio is a comparison of two quantities by division.