1 / 9

Unit Ratios and Proportional Relationships

Unit Ratios and Proportional Relationships. Topic Percent Change and Percent Error. Percent Change and Percent Error. What am I learning today? Percent Change and Percent Error What will I do to show that I learned it? Find the percent change and the percent error.

tansy
Download Presentation

Unit Ratios and Proportional Relationships

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. UnitRatios and Proportional Relationships TopicPercent Change and Percent Error

  2. Percent Change and Percent Error What am I learning today? Percent Change and Percent Error What will I do to show that I learned it? Find the percent change and the percent error.

  3. Percent Change and Percent Error To find percent change: | later – earlier | Percent Change = x 100 earlier

  4. Percent Change and Percent Error QUESTION How is the percent of change found?

  5. Percent Change and Percent Error Example: 13 is increased to 45 56 is decreased to 31

  6. Percent Change and Percent Error To find percent error: | estimate – actual | Percent Error = x 100 actual Percent off actual amount

  7. Percent Change and Percent Error QUESTION How is the percent error found?

  8. Percent Change and Percent Error Example: Estimate – 70 Actual – 80 Estimate – 25 Actual – 20

  9. Percent Change and Percent Error Practice Willomina Witty was assigned to determine the density of a sample of nickel metal. When she finished, she reported the density of nickel as 5.59 g/ml. However, her teacher knew the density of nickel was 6.44 g/ml. An experiment to determine the volume of a “mole” of gas was assigned to Barry Bungleditup. He didn’t read the experiment carefully and concluded the volume was 18.7 liters. His teacher knew he should have obtained 22.4 liters.

More Related