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Posted by on Thursday, October 20, 2011 at 1:57pm.

Using known Facts to Find Unknown Facts. You can use breaking apart to find a product. Find 4 x 5.

example: 4 x 5= 2x5+2x5
=10 + 10
=20

  • Math - , Thursday, October 20, 2011 at 2:00pm

    Yes!

  • Math - , Sunday, March 13, 2016 at 3:18am

    How can you use 4 facts to find 7x8 ?

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