1 / 14

Do now...

Do now. What is 125% of 10? Find 45% of $400 What number is 18.5% of 500?. Objective:. Lesson 7-8 Percent Proportion. Vocabulary. A percent proportion compares part of a quantity to the whole quantity, called the base , using a percent. Percent Proportion. is = x

blanches
Télécharger la présentation

Do now...

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. Do now... • What is 125% of 10? • Find 45% of $400 • What number is 18.5% of 500?

  2. Objective: Lesson 7-8 Percent Proportion

  3. Vocabulary A percent proportion compares part of a quantity to the whole quantity, called the base, using a percent.

  4. Percent Proportion is = x of 100

  5. What percent of 6 is 3? is = x of 100 3 = x 6 100 300 ÷ 6 = 50 50 %

  6. What number is 50% of 6? is = x of 100 x = 50 6 100 300 ÷ 100 = 3 3

  7. 3 is 50% of what number? is = x of 100 3 = 50 x 100 300 ÷ 50 = 6 6

  8. What percent of 60 is 15? is = x of 100

  9. What number is 12% of 72? is = x of 100

  10. 75 is 20% of what number? is = x of 100

  11. Real World Application A paperback book originally priced at $12.50 is on sale for $7.50. What percent of the original cost is the sale price? $7.50 = x $12.50 100 750 ÷ 12.50 = 60 60%

  12. Let's review Choose the problem that can be solved by using 8 = 16 b 100 a. What number is 16% of 8? b. 8 is 16% of what number?

  13. Check for Understanding text page 325 Numbers 7-17 odd

  14. Homework: page 325 #'s 8-20 evens only

More Related