Friday

December 19, 2014

December 19, 2014

Posted by **jordyn** on Thursday, December 29, 2011 at 1:37am.

- math -
**Damon**, Thursday, December 29, 2011 at 6:50amThere are all kinds of tricks but in the end you just plain have to practice. Flash cards help.

- math -
**Michelle**, Friday, December 30, 2011 at 5:26pmAn good hint for memorizing the 9's in multiplication tables are: the product/total's two digits will always add up to nine.

Ex: 9*4=36 ... 3+6=9

Also, when you multiply a number by nine, the product will always be one lower than that digit you just multiplied by (not nine).

See above ex. 9*4=36 .... 3 is one less than 4

Hope this helps!

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