Percent Error and Change

Front

What is Percent Error?

Back

Percent Error is a measure of how inaccurate a measurement is, compared to the true value. It is calculated using the formula: Percent Error = |(Estimated Value - Actual Value)| / |Actual Value| * 100%.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate Percent Change?

Back

Percent Change is calculated using the formula: Percent Change = (New Value - Old Value) / |Old Value| * 100%.

Tags

CCSS.6.RP.A.3C

Front

If Mrs. Ianiro estimated 70 students but only 63 tried out, what is the percent error?

Back

11%.

Tags

CCSS.6.RP.A.3C

Front

Santos walked 2 miles in 40 minutes three months ago and now in 25 minutes. What is the percent change in his walking time?

Back

37%.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating Percent Error?

Back

Percent Error = |(Estimated Value - Actual Value)| / |Actual Value| * 100%.

Front

What is the formula for calculating Percent Change?

Back

Percent Change = (New Value - Old Value) / |Old Value| * 100%.

Tags

CCSS.6.RP.A.3C

Front

If Erica guessed 150 jellybeans but there were actually 180, what is her percent error?

Back

16%.

Tags

CCSS.6.RP.A.3C

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is 11/25 as a percent?

Back

44%.

Front

If Mrs. Clendenning had 27 students last year and 30 this year, what is the percent change?

Back

11%.

Tags

CCSS.6.RP.A.3C