Percent to Decimal/Decimal to Percent
Percent Proportion/Percent Equation
Percent Change/Percent Error
Sales Tax, Tip, Discount
%/100 = is/of
100

Convert 120% to a decimal.

What is 1.2?

100

If 12 out of 25 people like blue jolly ranchers. What percent of people like blue jolly ranchers?

What is 48% of people?

100

A fruit drink that was sold in 16-ounce containers is now sold in 20-ounce containers. What is the percent of change in quantity? State whether this is an increase or a decrease.

What is 25% increase?

100

How much would a bicycle cost if it were marked down 15% from its original price of $289?

What is $245.65?

100

What is 100% of 38?

What is 38?

200

Convert 4.9% to a decimal.

What is .049?

200

The local bakery sells 150 donuts a day. If 70% if these donuts are sold in the morning, how many donuts are sold in the morning?

What is 105 donuts?

200

On Tuesday, Nash made 231 free throws. On Wednesday he made 258 free throws. What is the percent change in his free throws? Round to the nearest percent. State whether this is increase or decrease.

What is 12% increase?

200

If a sweater costs $37.99, and the sales tax is 6%, what is the total price of the sweater?

What is $40.27?

200

What percent of 36 is 24?

What is 66.6%?

300

Convert .008 to a percent

What is 0.8%?

300

0.5% of all statistics are true. If you have a list of 1,400 statistics. How many are true?

What is 7 statistics?

300

Al's Quick Mart sells milk for $1.99 per gallon, but they used to sell it for $2.79. What is the percent change in the price? Round to the nearest whole percent. State whether this is increase or decrease.

What is 40% decrease?

300

A certain container of mouthwash usually costs $2.99 at a store. If it is on sale for 20% off, how much does the mouthwash cost now?

What is $2.39?

300

6 is 15 percent of what number?

What is 40?

400

Convert 3.1 to a percent

What is 310%?

400

A store paid $75.29 for a couch. To make a profit, the store marked up the price of the couch by 170%. What is the price tag the store puts on the couch?

What is $208.28?

400

A custom estimates a computer at an electronics store is $1099. Determine the percent of error in price if the actual price is $1349. Round to the nearest whole percent.

What is 19%?

400

Elvia can get a 15% discount on a $68.53 purchase at a certain department store because she works there. How much did Elvia pay?

What is $10.28?

400

What is 125% of 50?

What is 62.5?

500

Convert 0.07% to a decimal

What is .0007?

500

John flips a quarter 20 times. It falls on tails 30% of the time, how many times did fall on tails.

What is 6 times?

500

A student estimates the mass of an object to be 325g. The actual mass is 342g. What is the percent error of the students calculation?

What is 5%?

500

The original price of a volleyball is $35. Anna has a coupon for 10% off of the original price. When she gets to the checkout, she find out there is a 25% discount on her sale price. How much did Anna pay for her volleyball?

What is $23.63?

500

What percent of 15 is 45?

What is 300%?

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