Fun Multiplication Tips and Tricks – 9′s

January 15, 2010

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fingers Fun Multiplication Tips and Tricks   9s

Make the times tables a little fun for little ones with this ‘handy’ trick for doing the 9′s:

  1. 9 x 6 =
  2. Hold up both hands, 10 fingers, starting at the left, bend down the 6th finger.
  3. Count the numbers to the left of the bent finger = 5, and the fingers to the right = 4 and you have your answer = 54.
  4. This works for multiples of 9 up to 10.

For the ‘do it in your head’ crowd, try this:

  1. 9 x 6 =
  2. Take the multiple (6) and subtract 1  . . . 6 minus 1 = 5
  3. Then figure out how much you need to add to the 5 to get up to 9.  5 + 4 = 9.  There’s your answer = 54
  4. Again this works for multiples of 9 up to 10.

If you’re looking for some fun free games to practice multiplication, try these:

Enjoy!

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Posted under Math Curriculum

3 Comments »

3 Comments so far

  1. vijay September 21, 2010 9:25 am

    Instead of that we can directly do like this

    Add 0 right side of that number and subtract the number from result.

    Example:

    45*9

    Step1: Add 0 to right side of 45: 450
    Step2: Subtract 45 from 450: 405

    So answer is 405.

  2. docmisty January 23, 2010 12:41 pm

    Glad you liked it – my kids thought it was magic the first time I showed them. It got a great math discussion going when we talked to figure out why and how it worked.

  3. Maria January 22, 2010 3:09 am

    This is a great trick! My 4th grader is going to be thrilled when I show him in the morning. Thanks!

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