Percent Increase/Decrease
Percent error/ percent problems
Percent Equation
Discount and Mark-ups
Ordering Fractions, Decimals and Percents
100
What is the percent increase and decrease equations?
D=(O-N)/O
I = (N-O)/O
100
The manager of a restaurant offers a 20% decrease in the price to tennis teams. A cashier applies a 10% decrease and then another 10% decrease. Is this the same as applying a 20% decrease? Explain your reasoning.
No
100
What is the percent equation?
a = p (w)
100
Find the sale price.
Original Price: $50
Discount: 15%
Sale Price: $42.5
100
Tell which number is greater
1/2, 52%
52%
200
A family asks you to babysit for 2 weeks. The first week you babysat for 12 hours. The second week you babysat for 15 hours. Does the situations represent a percent increase or decrease?
Increase.
200
You estimate that a jar contains 68 marbles. The actual number of marbles is 60. Find the percent error.
Percent error = 13.3%
200
50% of 40
20
200
You go shopping and you see two items that you want to buy. A shirt for $12 and shorts for $23. The store is running a sale for 20% off and then have another coupon for 10% off. What will be the final cost for the 2 items?
$25.2
200
Tell which number is greater.
12/5, 245%
245%
300
In the beginning of the school year Ursuline middle school had 52 students. At the end of the year they ended with 58. Does the situations represent a percent increase or decrease?
Increase
300
You fill bags with about 16 ounces of dog treats. The acceptable percent error when filling the bags is 5%. Tell whether each bag is acceptable.
Bag A: 15 ounces
Bag B: 16.5 ounces
Bag A is not acceptable.
Bag B is acceptable.
300
What number is 24% of 25?
6
300
A store pays $50 for a pair of shoes. The markup is 25%.
what is the selling price for the shoes?
$62.5
300
Order the numbers from least to greatest.
9/4, 220%, 2.15, 218%
2.15, 218%, 220%, 9/4
400
Find the percent change.
6 yards to 36 yards
500% Increase
400
A company fills boxes with about 21 ounces of cereal. The acceptable percent error in filling a box is 2.5%. Box A contains 20.4 ounces of cereal and box B contains 21.5 ounces of cereal. Tell whether each box is an acceptable weight.
Box A is not an acceptable weight.
Box B is an acceptable weight.
400
15% of the parking spaces at a school are handicap spaces. The school has 18 handicap spaces. How many parking spaces are there in total?
120 Spaces
400
Find the original price.
Discount: 20%
Sale Price: $75
Original Price: $93.75
400
Order the numbers from least to greatest.
0.88, 7/8, 92%, 9/10, 0.89
7/8, 0.88, 0.89, 9/10, 92%
500
Find the percent change.
120 meals to 52 meals
56.5% decrease
500
You went to the mall with $80. You spent 25% of your money on a pair of shorts and 65% of the remainder on sandals. How much did you spend on sandals?
You spend $39 on sandals.
500
of the 25 students on a field trip, 16 bring cameras. What percent of the students bring cameras?
64%
500
You are shopping for a video game system. Use the table to help you find the store you should buy the video game system from so that you get the cheapest price. 
Store A
500
Write a percent that is greater then 13/25 and less than 0.54.
Any percent that is greater than 52% and less than 54%