Percentage and Rate Problems quick check review

Front

What is the formula to calculate a percentage of a number?

Back

To calculate a percentage of a number, use the formula: (Percentage / 100) * Total Number.

Tags

CCSS.6.RP.A.3C

Front

What is 30% of 60?

Back

18

Tags

CCSS.6.RP.A.3C

Front

How do you find the total amount if you know the percentage and the amount?

Back

To find the total amount, use the formula: Total Amount = Amount / (Percentage / 100).

Tags

CCSS.6.RP.A.3C

Front

A 10,000 gallon pool is being filled at a rate of 50 gallons per minute. How many minutes will it take to fill the pool 1/2 full?

Back

100 minutes

Tags

CCSS.6.RP.A.3B

Front

What is the definition of 'rate' in mathematics?

Back

Rate is a ratio that compares two different kinds of quantities, often expressed as a quantity per unit of time.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Tommy has 12 pairs of socks in his drawer. Seven of the pairs are white. What percent of Tommy’s socks are colored? Round to the nearest hundredth.

Back

41.67%.

Front

What is 30% of 50?

Back

15

Tags

CCSS.6.RP.A.3C

Front

On the amusement park boardwalk, there are 50 different places to get food. 30% of them are ice cream shops. How many ice cream shops are on the boardwalk?

Back

15 ice cream shops.

Tags

CCSS.6.RP.A.3C

Front

If Jack gives away 15% of his summer job earnings and gives away $450, how much did he earn this summer?

Back

$3,000.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between percentage, rate, and base in percentage problems?

Back

Percentage = (Part / Whole) * 100, where Part is the amount you have, and Whole is the total amount.