Percent of Change and Percent of Error Practice

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Percent of Change?
Back
Percent of Change is a measure that describes how much a quantity has increased or decreased in relation to its original amount, expressed as a percentage.
Tags
CCSS.6.RP.A.3C
2.
FLASHCARD QUESTION
Front
How do you calculate Percent of Change?
Back
Percent of Change = ((New Value - Original Value) / Original Value) x 100.
Tags
CCSS.6.RP.A.3C
3.
FLASHCARD QUESTION
Front
What is Percent of Error?
Back
Percent of Error is a measure of how inaccurate a measurement is, expressed as a percentage of the true value.
4.
FLASHCARD QUESTION
Front
How do you calculate Percent of Error?
Back
Percent of Error = (|Estimated Value - Actual Value| / Actual Value) x 100.
5.
FLASHCARD QUESTION
Front
If Sam thinks a book costs $50 but it actually costs $56, what is his percent of error?
Back
10%.
Tags
CCSS.6.RP.A.3C
6.
FLASHCARD QUESTION
Front
If Mary thinks an umbrella costs $60 but it actually costs $50, what is her percent of error?
Back
20%.
Tags
CCSS.6.RP.A.3C
7.
FLASHCARD QUESTION
Front
If Connie thinks she types 39 words/minute but actually types 56 words/minute, what is her percent of error?
Back
30.36%.
Tags
CCSS.6.RP.A.3C
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