January 22, 2012

Cool 9 Times Tables Trick

My oldest daughter is in 3rd grade and is working on mastering her times tables.  She has a great understanding of the concept of multiplication,  now we're just working on being able to give the answers quickly and accurately.  

As we started practicing the times tables, I remembered this cool trick I'd learned years ago.  I showed my daughter and she thought it was really helpful, so she agreed to be my hand model.  Many of you might know it already, but if not, it's a good little tip to have in your bag of homework helping tricks!

Pretty cool, isn't it?  It will work for all the 9x tables up to 10.

We hope this little tip helps some other Multiplication Fact learning kids!  

Oh, and for another helpful tool in your bag of tricks ... whenever we're in the car or when falling asleep at night, my daughter listens to this multiplication CD.   Some other CD's we've tried either sound too babyish or there's too much extra "stuff" in them and the math facts get lost.  This one has been a hit so far and even my 6 year old sings along and often gives the answers.


  1. That is so awesome! I wish I would have known that trick some time ago! My son would not have had so much difficulty! Thanks!

    1. Such an awesome tricks. Not only students, the younger people cannot remember such kind of thing who are weak in maths. You have made this so easy. I am pretty sure that using this trick thousands of students can remember the tables without hassle. And yes how can I forgot to share it with other people. Do you have any tricks for CV writing which can provide help with CV?

  2. hiya , great trick and thanks for sharing xmaggiex

  3. I still use that trick ;-)

  4. I admit to still using this. lol It's so easy! Love that you shared this!

  5. That's amazing, never seen it, will now be teaching my 2 daughters this method! thanks for sharing!

  6. It's called chisom bop :) I know the 8's too :) And I have heard they have a version of this for at least 1-10 (although 1's are already easy lol) :) My great grandmother taught me this when I just couldn't rememeber all I needed to in order to do multiplication like I needed to. I had the concept but couldn't do solve the problems for the life of me without having to resort to doing all the addition to make it to the answer.

    Thanks for sharing this :)

  7. Thanks~ I can not wait to show this to my 2nd grader!!

  8. I have never seen this before. I will have to show my son. He is only in 1st grade but he is so into multiplication right now-he just loves it.

  9. That is a cool trick! My dad told me that 9x answers all add up to 9 ... 36 (3+6=9) Your way is easier to get there faster.

  10. Found you on Skip to My Lou. Could you please share this with our readers for Fun Stuff Fridays? http://www.toysinthedryer.com/2012/01/fun-stuff-fridays-8.html

  11. I'd like to invite you to share this @CountryMommaCooks Link & Greet Party
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  12. Great math help.
    Perhaps your daughter would enjoy these Math Tricks too:

  13. Saw this on Pinterest -- LOVE it! My 10 yr old and I are highly impressed. :)

  14. Here's a trick for when your kids are older and get into longer numbers. There's no actual multiplication involved, just subtracting. For
    instance,you want to multiply 9 X 6258493. From this number, subtract 1 number larger than the numbers to the right of the last number. In this case it would be 625850. The result is 5632643. To get the last digit, subtract the last number in the original number from 10. In this case, the last number would be 7 (10-3) so the answer is 56326437. And easier example might be 124 X 9. Subtract 13 from 124 which gives you 111. 10 - 4 is 6 so the answer is 1116. If the number ends in a 0, then the last digit will be 0 and you increase the number immediately next to it by 1. E.g. 1250 - 126= 1124. Adding 10 gives you 11250.

  15. Thanks! Your pictures explain the trick for those pesky 9s so well that I printed out this blog post and sent it home with my 4th and 5th grade students!!!

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