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Markups & Markdowns
Quick Percentages
Percent Change
Sales Tax, Tip, Discount
Margin of Error & Percent Error
100

Macy’s was having a sale and all their dresses were 15% off. Julie had a coupon that gave her and extra $10 off the sale price. What price would Julie pay for the dress if the original price was $85?

What is $62.50

100
50% of 42?
What is 21?
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
The price of a $50 bicycle with 10% tax
What is $55?
100

Aria practiced all week to improve her typing. She thought she could type 27 words per minute. When she took her typing test, she could actually type 30 words per minute. What is the percent error for Michelle's estimate? 

What is 10%

200

Circle K pays $3.35 for a case of Ale-8 and they sell it for $5.99. By what percent to they markup the price?

What is 78.8%.

200
1% of 98
What is 0.98
200
On Monday, Terry made 12 freethrows and on Wednesday, he made 15. This is the percent increase
What is 20% increase?
200
The 15% tip on a $30 check
What is $4.50?
200

Alex's time on a 50 meter race was 32.4 seconds. The more precise electronic touchpad measured her time as 32.36 seconds. What is the percent error of the stopwatch's measurement? 

What is 0.12%

300

Beats headphones were on sale at the Apple store for 15% off the normal price of $189. Including tax of 8% how much would the headphones cost?

What is $173.50.

300
100% of 1,738
What is 1,738?
300
On your first test, you make a 40 and on the retake, you make an 80.
What is 100% increase?
300
The cost of a pair of Jordans originally priced at $200, marked 25% off, before tax
What is $150?
300

There are 80 grams in a regular size bag of Chipotle chips. If they allow for a 5% margin of error what is the lowest amount of chips in grams that can be in a Chipotle bag? 

What is 76 grams

400

Wal-Mart was selling 55 inch HDTVs for $950. Before Christmas they discounted the price by 20%. After Christmas was over they increased the price by 20%. What was the price of the TV after Christmas? 

What is $912.

400
25% of 68
What is 17?
400
Your first mile takes 20 minutes and your second mile takes 10.
What is 50% decrease?
400
The cost of a pair of Jordans originally priced at $200, marked 25% off, after 10% tax?
What is $165?
400

Takis have 9.9 oz in a typical bag of chips. If they allow for a 2.5% margin of error what is the most amount of chips that can be in a bag of Takis? 

What is 10.15 oz

500

Jen went to PetsMart for a dog bed for $25, some toys for $8 and dog food for $22. She had a coupon for 15% off her purchase. If she pays with a $50 bill, how much will she get back?

What is $3.25

500
10% of 49.6
What is 4.96?
500
On your first test, you make an 84 and your second test, you make a 63.
What is 25% decrease?
500
The percentage of the discount here: Original Cost- $20.00 Sale Price- $5.00
What is 75% off.
500

The music teacher at Walter Reed Middle School added a new Jazz band. The teacher expected 20 students to sign up, so they were surprised when 45 students signed up. What is the percent error? 

What is 55.56%