Mid-Unit 3 Test Review

Front

What is a proportion?

Back

Front

How do you solve a proportion?

Back

Front

What is the cost per item?

Back

Front

What is an exchange rate?

Back

An exchange rate is the value of one currency for the purpose of conversion to another. For example, if $3 = 1 Rial, then the exchange rate is 3:1.

Front

How do you set up a proportion with words?

Back

Front

What does it mean to find the total needed based on a fraction?

Back

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio. For example, if 5 cupcakes take 10 minutes, then 8 cupcakes will take 16 minutes.

Front

How do you identify a proportional relationship from a set of data?

Back

To identify a proportional relationship, check if the ratios of the quantities are equivalent. If they are, the relationship is proportional.

Front

What is cross-multiplication?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one ratio by the denominator of the other ratio.

Front

What is the formula for finding the cost per song?

Back

The formula for finding the cost per song is: Cost per song = Total cost / Number of songs.