Ratios and Rates Unit Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour).

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units to express it per one unit.

Front

What is the ratio of red squares to total shapes if there are 3 red squares and 4 total shapes?

Back

The ratio is 3:4.

Front

If Jade swam 6 laps in 3 minutes, what is her rate in laps per minute?

Back

Jade's rate is 2 laps per minute.

Front

If Sanaiyah swam 8 laps in 5 minutes, what is her rate in laps per minute?

Back

Sanaiyah's rate is 1.6 laps per minute.

Front

How do you compare two rates?

Back

To compare two rates, convert them to the same unit or find the unit rate for each.

Front

If Kaleigh buys apps for $3 each, how much do 7 apps cost?

Back

7 apps cost $21.

Front

If Ben plays basketball 6 times in 3 weeks, how many times does he play in 10 weeks?

Back

Ben plays 20 times in 10 weeks.