Rates Ratios and Proportions Practice

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

What is a proportion?

Back

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

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units. For example, if you earn $150 for 5 hours, the unit rate is $150 ÷ 5 = $30 per hour.

Front

If Jordan runs 12 miles in 2 hours, how many miles will he run in 5 hours?

Back

30 miles.

Front

What is the formula to calculate the cost per item?

Back

Cost per item = Total cost ÷ Number of items.

Front

If Teagan earns $150 for 5 hours of tutoring, what is her hourly rate?

Back

$30 per hour.

Front

How do you set up a proportion to solve for an unknown?

Back

Set up a proportion by creating a fraction for each ratio and then cross-multiply to solve for the unknown.

Front

If Ruby bought 4 shirts for $36, how much would 7 shirts cost?

Back

$63.00.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

If Mason earns $200 for 8 hours of work, what is his unit rate?

Back

$25 per hour.