Fractions, Decimals, and Percents
Fractions → Decimals
17/25
0.68
Fill in the blank:
Sales tax and tip are ____ to the original price and Discounts are ____ from the original price.
added and subtracted
What is 32% of 300?
"is" means divide original by the decimal form of percent
"of" means multiply (x)
96
A child guessed that a ball was 12 feet away. It was actually 23 feet away. What was the percent error?
47.8%
PEMDAS
2 x (32) / 3
6
Decimals → Percents
0.385
38.5%
An item is regularly priced at $540. The sales tax is 6% How much money is the tax?
$32.40
22 is 44% of what number?
"is" means divide original by the decimal form of percent
"of" means multiply (x)
50
A new boat being built was supposed to be 188 meters long. It actually was 162 meters. What was the percent error?
16%
6 - 7 + 2 x 5
-11
Percents → Decimals
4.75%
0.0475
How much would you spend at a restaurant if your bill is $45.60 and you leave an 18% tip?
$53.81
What percent of 50 is 4?
"is" means divide original by the decimal form of percent
"of" means multiply (x)
8%
An overconfident student thought they would finish the Math MCAS in 139 minutes. It took them 385 minutes to finish the test. By what percent were they wrong?
63.9%
(3+2) x 4 + 52 + 6 - 9
42
Fractions → Percents
5/16
31.25%
An item is regularly priced at $25. It is on sale for 30% off the regular price. What is the new cost of the item?
$17.50
40% of what number is 8?
"is" means divide original by the decimal form of percent
"of" means multiply (x)
20
A mountain climber thought the top of the mountain was at 5377 feet. It turned out to only be 4359 feet tall. By what percent was the climber wrong?
23.4%
-2 + 2 x (-1-12) + 16 / 4 x 3
10
Percents → Decimals → Fractions
27.5%
0.275 & 11/40
A family bought some new camping gear at REI that totaled $318.50. They have a coupon for 30% off, then pay 7.5% sales tax on the new cost. How much do they pay for the gear?
$239.67
You have paid your car loan down to $8750, which is 43% of the original loan amount. What was the original loan amount?
"is" means divide original by the decimal form of percent
"of" means multiply (x)
$20,348.84
A family thought they could sell their house for $150,000. They only sold it for $135,000. What percent were they off by?
11.1%
45 - 6 + (32 + 2) + 14
64