Friday, February 10, 2012

Divisibility Rule for 9

The rule for 9 is when you add all the digits of a number and it equals to a multiple of 9 (it can only be whole numbers and not fractions)

For example


Here's a link learn more about divisibility Click Here

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1 comment:

  1. ccherylFebruary 11, 2012 at 1:16 PM

    I liked how you explained the divisibility rules for 9. I also like your picture, it helped me a lot!

    ReplyDelete