1 / 10

3-8 percent of change

3-8 percent of change. Miss battaglia – algebra 1 CP Objective: Find percent of change and solve problems involving percent of change. Warm up.

liluye
Download Presentation

3-8 percent of change

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. 3-8 percent of change Miss battaglia – algebra 1 CP Objective: Find percent of change and solve problems involving percent of change.

  2. Warm up • Alaska is the largest state in the United States, with an area of 570,374 . It accounts for about 15% of the country’s area. Estimate the area of the United States.

  3. definitions • The percent of change is the percent an amount changes from its original amount. The amount of change is the difference between these two values. • When a value increases from its original amount, you call the percent of change the percent of increase. • When a value decreases from its original amount, you call the percent of change the percent of decrease.

  4. example • The number of female physicians in the US increased from 25,400 in 1970 to 104,200 in 1990. Verify this statement: From 1970 to 1990, the number of female physicians increased about 310%.

  5. example • From 1970 to 1990, the total number of physicians in the US increased from 334,000 to 615,400. • Find the amount of change • Find the percent of increase.

  6. agriculture • Changes in the economy have affected the location and number of farm s in the United States. Find the percent of decrease in the number of farms from 1940 to 2000.

  7. agriculture • Changes in the economy have affected the location and number of farm s in the United States. Find the percent of decrease in the number of acres of farmland from 1940 to 2000.

  8. Find the percent of change • a) $12 to $9 b) $1.75 to $1.25

  9. classwork • http://www.mathplayground.com/percent_shopping.html

  10. Homework

More Related