Percent of Increase/Decrease, Percent of Error, Simple Interest
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jose started doing extra chores around the house and his allowance changed from $30 per week to $40 per week. What is the approximate percent of change in Jose's allowance?
Increase of 33.3%
Increase of 25%
Increase of 30.3%
Increase of 38%
Tags
CCSS.6.RP.A.3C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mrs. Banks bought a car for $25,000 and sold it 5 years later for $16,000. Find the percent decrease for the price of the car.
36%
9%
34%
26%
Tags
CCSS.6.RP.A.3C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Zed went to the store and bought a bag of chips. He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package. What was his approximate percent error?
35%
67%
85%
92%
Tags
CCSS.6.RP.A.3C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Miss Sylvie miscounted and thought she saw 33 children on the bus. When she counted again, she realizes there are actually only 30 students on the bus. What is her percent error?
10%
9%
90%
91%
Tags
CCSS.6.RP.A.3C
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Hank is buying a shirt that originally cost $25.00. It was on sale two weeks ago for 10% off. Today, it is an additional 20% off the original price. How much is the shirt now?
Tags
CCSS.6.RP.A.3C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sam had 9 puppies. After giving some away, Sam had 4 puppies left. What is the percent change in the number of puppies? Round to nearest whole percent if necessary.
56% decrease
125% decrease
56% increase
125% increase
Tags
CCSS.6.RP.A.3C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lisa's little brother weighed 8 pounds when he was born. He now weighs 36 pounds. What is the percent increase in the boy's weight?
350%
4%
40%
78%
Tags
CCSS.6.RP.A.3C
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