Simple Interest
Percent of Change
Percent Error
Tax, Tip, Discount
Fractions
100
I = prt (Round to the cent) $630, 34%, 2 years
What is $428.40
100
Find the percent of change. Increase or Decrease? Original: 50 New: 27
What is 46% decrease
100
Ms Bolur estimated the weight of her cat to be 10 pounds. He cat actually weighed 13.75 pounds. Calculate the percent error.
What is 27%
100
A Blu Ray player costs $140, and the sales tax is 5.75%. What is the total cost of the Blu Ray player?
$148.05
100
Convert to an improper fraction 2 4/9
What is 22/9
200
I = prt (Round to the cent) $264, 2.7%, 4 years
What is $28.51
200
Find the percent of change. Increase or Decrease? Original: 102 New: 127
What is 25% increase
200
The weather man predicted a rainfall of 1.5 in. We actually received 2.75 in of rain. Calculate the percent error.
What is 45%
200
A boogie board that has a regular price of $69 is on sale for 35% off. What is the sale price of the boogie board?
$44.85
200
5/13 - 3/13
What is 2/13
300
I = prt (Round to the cent) $1,349, 1.25%, 6 months
What is $8.43
300
Find the percent of change. Increase or Decrease? Original: 7 New: 15
What is 114% increase
300
Matt predicted the length of his bedroom to be 10 feet. When he measured he found the actual length to be 12 feet. Calculate the percent error.
What is 17%
300
Dinner cost $55. You want to leave a 20% tip. How much did you spend on dinner, including tip?
$66
300
2/5 + 4/9
What is 38/45
400
Kevin put $25,000 into his savings account. After 2 years, with an interest rate of 1.5%, how much interest did Kevin earn?
What is $750
400
Tony started with $93 at the beginning of the summer. By the end of the summer he had $50. Find the percent of change. State if this is an increase or decrease.
What is 46% decrease
400
Mrs. Scaliatine estimated she could fit 475 song would fit on her iPod. She was only able to fit 380 songs on her iPod. Calculate the percent error.
What is 25%
400
Tara wants to buy new running shoes. The shoes originally cost $96.95, but she has a 35% discount. What is the total cost of the running shoes with the discount and a sales tax of 7.25%?
$67.59
400
7/16 * 10
What is 35/8 or 4 3/4
500
Tina borrowed $5,500 from the bank at an interest rate of 3%. After one year what is the total amount Tina will have to pay the bank.
What is $5,665
500
In 2014 the local pumpkin patch had 539 pumpkins. In 2016 they had 840 pumpkins. Find the percent of change. Determine if this is an increase or decrease.
What is 56% increase
500
Kelly predicted she would spend $120 at the grocery store this week. Her total ended up being $94. Calculate the percent error.
What is 28%
500
Tony has $45 to spend on a new watch. The price of the watch is $40 before sales tax. The sales tax is 8.5%. Find the total cost of the watch. Then determine if Tony has enough money to buy the watch.
Total cost = $43.40 Yes Tony has enough money to buy the watch.
500
3/5 รท 7/10
What is 6/7
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