Percent Change & Error
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Percent Change?
Back
Percent Change is a way to express a change in value as a percentage of the original value. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.
Tags
CCSS.6.RP.A.3C
2.
FLASHCARD QUESTION
Front
How do you calculate Percent Decrease?
Back
Percent Decrease is calculated using the formula: ((Original Price - Sale Price) / Original Price) x 100.
Tags
CCSS.6.RP.A.3C
3.
FLASHCARD QUESTION
Front
How do you calculate Percent Increase?
Back
Percent Increase is calculated using the formula: ((New Price - Original Price) / Original Price) x 100.
Tags
CCSS.6.RP.A.3C
4.
FLASHCARD QUESTION
Front
What is the formula for Percent Error?
Back
Percent Error is calculated using the formula: (|Estimated Value - Actual Value| / Actual Value) x 100.
Tags
CCSS.6.RP.A.3C
5.
FLASHCARD QUESTION
Front
If a shirt originally costs $36 and is on sale for $24, what is the percent decrease?
Back
33% decrease.
Tags
CCSS.6.RP.A.3C
6.
FLASHCARD QUESTION
Front
If a microwave costs $96 and is marked up to $115.20, what is the percent increase?
Back
20% increase.
Tags
CCSS.6.RP.A.3C
7.
FLASHCARD QUESTION
Front
In 1999, the price of fuel was $1.09 and in 2015 it was $1.89. What is the percent change?
Back
73% increase.
Tags
CCSS.6.RP.A.3C
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