Posted by **Lori** on Monday, February 11, 2008 at 4:40pm.

What multiplication fact can be found by using the arrays for 2x9 and 5x9?

- Math -
**Guido**, Monday, February 11, 2008 at 5:18pm
Multiplication facts:

2 x 9 means two rows times 9 columns.

Facts:

2 x 9 = 18

18/2 = 9

18/9 = 2

9 x 2 = 18

Do the same with the other other numbers.

Also, note that 2 and 9 are factors of 18 and 18 itself is the product of 2 and 9.

- Math -
**josh**, Monday, January 26, 2009 at 8:20pm
what mutiplication fact can be found by using the arrays for 2x9 and 5x9

- Math -
**Trisha**, Monday, January 11, 2010 at 5:49pm
7 x 9

- Math -
**enrique**, Wednesday, April 13, 2011 at 12:46am
number sence what multiplication fact can be found by using the arrays for 2*9 and 5*9

- 3rd Grade Math -
**Abbie**, Friday, December 14, 2012 at 12:20am
The answer is "7x9".

Because the array of 2x9:

•••••••••

•••••••••

And the array of 5x9:

•••••••••

•••••••••

•••••••••

•••••••••

•••••••••

When added together or in the verbiage of the question "can be found by using the arrays".

You have 7 rows of 9. Or "7x9"

- Math -
**emma**, Saturday, January 12, 2013 at 11:32pm
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