Percent Increase, Decrease, Error
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is percent error?
Back
Percent error is a measure of how inaccurate a guess or estimate is compared to the actual value, expressed as a percentage.
2.
FLASHCARD QUESTION
Front
How do you calculate percent error?
Back
Percent Error = |(Actual Value - Estimated Value)| / Actual Value × 100%.
3.
FLASHCARD QUESTION
Front
What is the formula for percent increase?
Back
Percent Increase = (New Value - Original Value) / Original Value × 100%.
4.
FLASHCARD QUESTION
Front
What is the formula for percent decrease?
Back
Percent Decrease = (Original Value - New Value) / Original Value × 100%.
5.
FLASHCARD QUESTION
Front
Calculate the percent error if the actual weight is 47 pounds and the estimated weight is 40 pounds.
Back
Percent Error = |(47 - 40)| / 47 × 100% = 14.9%.
6.
FLASHCARD QUESTION
Front
Find the percent decrease from 20 dogs to 16 dogs.
Back
Percent Decrease = (20 - 16) / 20 × 100% = 20%.
7.
FLASHCARD QUESTION
Front
Find the percent increase from 100 MB to 145 MB.
Back
Percent Increase = (145 - 100) / 100 × 100% = 45%.
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