Percent Change & Error
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Percent Change?
Back
Percent Change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.
2.
FLASHCARD QUESTION
Front
How do you calculate Percent Change?
Back
Percent Change = ((New Value - Old Value) / Old Value) x 100%.
3.
FLASHCARD QUESTION
Front
What is Percent Error?
Back
Percent Error is a measure of how inaccurate a measurement is, expressed as a percentage of the difference between the estimated value and the actual value.
4.
FLASHCARD QUESTION
Front
How do you calculate Percent Error?
Back
Percent Error = |(Estimated Value - Actual Value)| / Actual Value x 100%.
5.
FLASHCARD QUESTION
Front
If you estimate 200 and the actual value is 240, what is the Percent Error?
Back
16.7%.
6.
FLASHCARD QUESTION
Front
If the price of cheese increases from $5 to $6, what is the Percent Change?
Back
Increase 20%.
7.
FLASHCARD QUESTION
Front
If Mary weighs 180 pounds and now weighs 150 pounds, what is the Percent Change in her weight?
Back
17% Decrease.
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