Unit Rate and Percentages

Front

What is a Unit Rate?

Back

A Unit Rate is how much of something per one unit of something else.

Front

How do you calculate the daily earnings if someone makes $200 a week for 5 days?

Back

Divide $200 by 5 days to get $40 per day.

Front

What percentage of students chose blue if 20 out of 50 students selected it?

Back

40% (20 out of 50 is 20/50 = 0.4, which is 40%).

Front

What is a Rate?

Back

A Rate is a ratio that compares two quantities measured in different units.

Front

What does Percent mean?

Back

Percent means a number out of 100.

Front

If a shirt costs $30 and is on sale for 20% off, how much do you save?

Back

You save $6 (20% of $30 is $6).

Front

How do you find the unit price of an item?

Back

Divide the total price by the number of units.

Front

If 15 out of 60 students prefer chocolate ice cream, what is the percentage?

Back

25% (15 out of 60 is 15/60 = 0.25, which is 25%).

Front

What is the formula to calculate percentage?

Back

Percentage = (Part/Whole) x 100.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

The unit rate is 60 miles per hour (300 miles / 5 hours).