1 / 9

Wednesday Nov. 3,2011

Wednesday Nov. 3,2011. You will need: Book Whiteboard Notebook and Folder Multiplication chart Start working on the Mental Math Pg. 54 # a-h. Lesson 9. Prime Numbers. Prime Numbers.

dung
Download Presentation

Wednesday Nov. 3,2011

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. Wednesday Nov. 3,2011 • You will need: • Book • Whiteboard • Notebook and Folder • Multiplication chart • Start working on the Mental Math • Pg. 54 • # a-h

  2. Lesson 9 Prime Numbers

  3. Prime Numbers • Counting numbers greater than 1 that have exactly two counting number factors: the number itself and 1.

  4. Composite Numbers • Counting numbers with more than two factors.

  5. Prime Factorization • Writing the number as a product of prime numbers. • Use a factor tree or division to prime factorize a number. • 36 • 45

  6. Tests of Divisibility • One way to test if a number is prime or composite is to determine if it is divisible (can be divided) by a counting number other than 1 or itself.

  7. Practice • Determine whether the numbers are prime or composite. • 526 • 305 • 123 • 1,237,526

  8. Practice • Use a factor tree to factorize these numbers: • 36 • 45 • 20 • 200

  9. Practice • Use division to factorize these numbers: • 16 • 40 • 50

More Related