1 / 10

Divisibility Rules Practice

Divisibility Rules Practice. Johnson 2010. A number that is even is divisible by 2 , 6, and 10 without a doubt. . iRespond Question. Multiple Choice. F. A.) True. B.) False. C.) . D.) . E.) . The Answer?. True! A number that is divisible by 2, 6 and 10 is always even.

veata
Download Presentation

Divisibility Rules Practice

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. Divisibility Rules Practice Johnson 2010

  2. A number that is even is divisible by 2, 6, and 10 without a doubt. iRespond Question Multiple Choice F A.) True B.) False C.) D.) E.)

  3. The Answer? • True! • A number that is divisible by 2, 6 and 10 is always even. • Numbers that are divisible by 3,5 and 9 might be even sometimes but NOT ALWAYS!

  4. Choose the correct rule: I am a number that is divisible by 3 because iRespond Question Multiple Choice F A.) The sum of my digits adds up to 3 B.) The sum of my digits is divisible by 3 C.) The sum of my digits is an odd number D.) The last two digits are divisible by 3 E.)

  5. The Answer? • If you picked B, you are correct. • In order for a number to be divisible by 3, the sum of it’s digit must be divisible by 3!

  6. Which numbers am I divisible by? 6,381 iRespond Question Multiple Response F A.) 2 B.) 3 C.) 9 D.) 4 E.)

  7. Your Answer? • Did you choose only one answer? • There are actually two answers to this question! B and C! • 6,381 is divisible by 3 and by 9. • Add the digits of the number to get the sum. • 6 + 3 + 8 + 1 = 18; 1 + 8 = 9 • 9 is divisible by 3 and 9!

  8. Now it's time for a MYSTERY NUMBER! Can you guess what number I am? Here are my clues: - commom multiple of 3 and 5 - less than 150 - odd - tens digit is even iRespond Question Multiple Choice F A.) 120 B.) 105 C.) 135 D.) 160 E.)

  9. What is the correct answer? • 105! • 105 is a common multiple of 3 and 5 • 105 is less than 150 • 105 is an odd number • 105 has an even digit in the tens place

  10. Great Job! • If you didn’t do so hot, you need to study your divisibilty rules!! • Now we know how to use our IRespond remotes!

More Related