## Divisibility Tests for 11 and 13

Divisibility Tests for 11 and 13
• Currently 2.0/5 Stars.
3119 views, 2 ratings - 00:10:40
Part of video series Divisibility Tests
Taught by YourMathGal

### Meets NCTM Standards:

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Goes over two divisibility tests for 11 and also the one for 13.
• 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?
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.
• Currently 4.0/5 Stars.
Reviewed by MathVids Staff on January 23, 2010.