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What's on the worksheet
- Find the percent error of each estimate and say if it is too high or too low.Estimate 72, true value 80Estimate 91, true value 70Estimate 1.15, true value 1.25Estimate 640, true value 250Estimate 1,950, true value 2,000
- Find the percent error of Leah's guess at a novel's page count.
- Find the percent error of a store's computer count of notebooks.
- Find the mistake in Sarah's percent error for the flagpole.
- Find percent error for a film studio's predictions of ticket sales.
- Find the percent error of Mei's estimate of a hallway length.
- Compare four lab groups' density results for aluminum using percent error.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Percent error: the lesson ›More Chapter 4 worksheets: Percent applications and percent change
- 4.1Finding what percent one number is of another
- 4.2Finding the whole from a part and a percent
- 4.3Solving percent problems with an equation or a proportion
- 4.4Percents above 100 and below 1
- 4.5Percent increase and decrease
- 4.6The multiplier for a percent change
- 4.7Two percent changes one after the other
- 4.8Discounts, sales tax, tips and commission
- 4.9Markup and margin
- 4.10Simple interest
- 4.11Measurement error
- 4.12Percent error