Unit #3 Review Activity

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity of one item by the total quantity of another item, ensuring the second quantity is 1.

Front

If Lisa made $300 in 6 hours, what is her hourly wage?

Back

$50 per hour.

Front

What percentage of students at Cosgrove do not buy lunch if 65% do?

Back

35% do not buy lunch.

Front

How do you find the number of students who do not buy lunch if 65% buy lunch out of 100 students?

Back

Subtract the percentage of students who buy lunch from 100%. 100% - 65% = 35%.

Front

If a computer downloads 1,680 kilobytes in 4 minutes, what is the download speed in kilobytes per minute?

Back

420 kb per minute.

Front

How do you calculate the speed of a download?

Back

Divide the total amount of data downloaded by the total time taken.

Front

If Ilana made $45 babysitting for 6 hours, how much does she make per hour?

Back

$7.50 per hour.

Front

What is the formula to find hourly wage?

Back

Hourly wage = Total earnings / Total hours worked.

Front

If Christina biked 36 miles in 6 hours, what is her biking speed in miles per hour?

Back

6 mph.