Monday, February 13, 2017

Multiplication Quick Tricks Memory Song

Multiplication Quick Tricks
There are lots of quick tricks to make multiplication easier. BUT if you can't remember the tricks, they don't simplify things much at all!

Here is a little song that I wrote for my daughter to help her remember all these handy methods so that she can actually make use of them. I hope you find them useful, too! : )

When I was growing up, we sang "Oh Jack and Jill went up the Hill" not just "Jack and Jill went up the hill" (hitting the first note twice). This song is written to that tune. Though I cannot find the identical thing online, I posted the closest one I could find to jog your memory.

If you like this song, slso check out my

Divisibility Song


Hope you find this little song - and this post - useful!

Multiplication Quick Tricks Memory Song
(To the Tune of Jack & Jill) 


To Multiply an Even Number by 5
Just Divide it
In Half then
Write Zero
There you have the answer!

To Multiply an Odd number by 5 You
Just Subtract One
Cut in Half
Then Write 5
There you have the answer!

To Multiply a Single Digit by Nine
Just Subtract one
That's Your First
Digit - then
The Other adds up to 9!

To Multiply any number by 10 is
Just so easy
Write the Number
Then Zero
There you have the answer!

To Multiply by E-leven
Write Zero in the Front
Add Each Digit
To the Next
Starting at the Right!

To Multiply by Number 12
Write Zero in the Front
Double Each One
And add the Next
Starting at the Right!

Fives Video (sorry, there's no great pic - but just click on the triangle as usual : )





Nines Video



Tens Videos:







Elevens Video:





 12's Video


 To review these methods so the song makes sense, check out these great resources
Multiplication Quick Tricks Worksheet from ABC Teach


If you'd like to learn WAY more about quick tricks for Multiplication, I recommend
The Trachtenberg Speed System of Basic Mathematics 
The above 11's and 12's tricks are ones I originally learned from Trachtenberg - the linked Youtube videos don't write the zero in front, but do have you add nothing to the first number - essentially the same thing.





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5 comments:

  1. I never knew many of these tricks! I'll definitely be pinning this for future reference. Thank you!

    ReplyDelete
    Replies
    1. So glad you like it! Thanks for dropping by to visit : )

      Delete
  2. Such a great song & idea! Thanks for sharing to Together on Tuesdays. My youngest is trying to learn these so this will come in handy!

    ReplyDelete
  3. Oh, one of my children really could have used these when she was younger. Learning facts with a song really helped her memorize things. Thanks for linking up at Together on Tuesdays :)

    ReplyDelete
  4. Songs for memorizing makes it so much easier, and this is a great one! I'm amazed that there are still huge chunks of the Bible that I can remember just by singing the song!
    Thanks for linking up to The Pretty Pintastic Party through As For Me and My Homestead!

    ReplyDelete

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