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Did we find ALL the factors?

28 Sep

How do you know if you have found ALL the factors of a number?

Well, we’re on factoring currently (alhamdulillah, I was able to maneuver it so three kiddos are working on it at the same time—yeay!).

So, I explain how to find factors by starting with 1 and finding its complementary factor, then trying 2, and finding its complementary factor, then 3…yada yada yada.

My old school way was to write one factor pair per line—–took up WAY too much space.  Then, I couldn’t definitively come up with a catchy explanation (or any) to make the kids feel like they had indeed found ALL the factors (well they didn’t really care, but you know….)

Alhamdulillah for video tutorials and You Tube!

I found a GREAT video from a teacher that had a space saving method and one where it gave the kids closure in knowing that they had indeed found ALL the factors.

 

Sometimes my video embeds don’t work, so here’s the link if you need it: Finding Factors of a Number

Happy Factoring!

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Comments Off on Did we find ALL the factors?

Posted by on September 28, 2010 in Math: Multiplication/Division

 

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