Divisibility Tests for 11 and 13

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Taught by YourMathGal
  • Currently 2.0/5 Stars.
3655 views | 2 ratings
Part of video series
Meets NCTM Standards:
Lesson Description:

Goes over two divisibility tests for 11 and also the one for 13.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • How can you test a number for divisibility with 11 and 13?
  • How can you tell if a number is divisible by 11 or 13?
  • How can you tell if a number is a factor of another number without having to do division?
  • What are the tests for divisibility?
  • How can you tell if a number is divisible by 11?
  • How do you know if 11 goes into a number?
  • How can you tell if a number is divisible by 13?
  • How do you know if 13 goes into a number?
  • What is the trick / test for figuring out if 11 goes into a number without dividing?
  • How can you tell if 11 goes into a 6-digit number?
  • How can you tell if 108064 is divisible by 11?
  • How can you tell if 78231 is divisible by 11?
  • How can you tell if 314926 is divisible by 11?
  • What are the two tests for determining whether 11 is a factor of a multi-digit number?
  • What is the trick / test for figuring out if 13 goes into a number without dividing?
  • How can you tell if 7566 is divisible by 13?
  • How can you tell if 7405 is divisible by 13?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows multiple examples of easy tricks / tests for determining if large numbers are divisible by 11 or 13. All steps are explained in this very understandable lesson. This is a great way to check for divisibility without a calculator.