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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Math  Daniya, Monday, November 28, 2016 at 6:48pm
What mulitiplication fact can be found by using the arrys 2times9 and5times9
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