Percent Increase, Decrease, Error

Percent Increase, Decrease, Error

Assessment

Flashcard

Mathematics

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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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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