Ratios, Rates, and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

How can a ratio be expressed?

Back

A ratio can be expressed in three ways: as a fraction, with a colon (e.g., 3:4), or with the word 'to' (e.g., 3 to 4).

Front

What is a Rate?

Back

A rate is a comparison of two quantities with different units.

Front

What is a Unit Rate?

Back

A unit rate is a rate in which the denominator is 1.

Front

If a class has 15 boys and 20 girls, what is the boy:girl ratio in simplest form?

Back

3:4

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour

Front

What is the value of A in this table? (Assuming A is a part of a ratio)

Back

8

Front

True or False: A ratio can be written in three ways.

Back

True

Front

What is the first step to simplify a ratio?

Back

Find the greatest common factor (GCF) of the two quantities.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour