Vocabulary
The positive difference between the measurement and the actual value.
Measurement Error
In a city the sales tax is 7%. If you bought a $12.00 bottle of laundry soap, how much tax would you pay.
$0.84
Brian went to a sushi restaurant. His bill was $20. He paid an addition 15% as a tip. How much money did he tip the restaurant?
$3
A store is having a 20% discount on all items. James bought a basketball that was originally $15. What was the price after the discount?
$12
Jack put $1000 in a savings account. After every year he gains 5% interest. How much money will be in the account after 2 years?
$100
A percent increase in the starting amount.
Percent Increase
Paper towels cost $8.00 in a city. The total cost when paying for them is $8.48. What is the tax rate as a percent?
6%
If a restaurant bill is $34 and the customer pays 40$ in total, what percent of the bill was the tip?
18%
A store has a 20% off sale on pants. With this discount, the price of one pair before tax is $15.20. What was the original price of the pants before the discount?
$19.00
Jade’s mother made her a savings account when she was born. She started with $280 in her account. If she gains 2.5% interest every year, how much money will she have in the account If she is 17?
$399
A percent decrease from the starting amount.
Percent Decrease
In a small town Jaxson bought a lamp for $25.00. He paid $2.00 extra for tax. What is the tax rate as a percent?
8%
Max pays $42.00 for a few pizzas. With tax the pizzas are $45.99. He also gives them a tip that was 17% of the subtotal. How much money did he tip them?
$7
The original price of a bicycle was $375. Now it is on sale for $295. What percentage of the original price was the discount?
21%
Max has 2000 dollars in his savings account. He gains 3% interest every year. How much money will he have in the account 5 from now?
$2300
The error expressed as a percentage of the actual value.
Percent Error
Jada has a meal in a restaurant. Her subtotal is $42.00. She also has to pay 3.99 in sales tax. What percent is the sales tax of the subtotal?
9.5%
Jay went to a store that had a sale. All food had an 18% discount. He bought 2 boxes of chicken that were originally $12 each. What was the discounted price of the chicken?
$9.84
A decimal number in which one or more decimals repeat infinitely.
Repeating Decimal
At a sporting goods store Jake bought 2 footballs for $30.00, a pair of gloves for $12.50, and a pair of cleats for $45.00. The total amount with tax is $98.00. What percentage is the tax of the subtotal?
12%
Alice went to a store where footwear was on sale for 30% off. She bought 1 pair of flip flops which the original price was $15.00. She also bought two boxes of strawberries for $20.00. The tax is also 10%. How much money did she spend?
$33.55