Posted by cody on Wednesday, September 15, 2010 at 8:36pm.
What property of addition is shown in the following number sentence? why?

math  incomplete  Ms. Sue, Wednesday, September 15, 2010 at 8:44pm
No number sentence given.

math  cody, Wednesday, September 15, 2010 at 8:46pm
opps sorry 7+(3+5)=(7+3)+5

math  Jen, Wednesday, September 15, 2010 at 10:06pm
Associative property, because the parenthesis are just moved around.

math  TutorCat, Wednesday, September 15, 2010 at 10:07pm
http://www.algebra.com/algebra/homework/Distributiveassociativecommutativeproperties/changethisname23395.lesson

math  Adna, Wednesday, October 26, 2011 at 7:45pm
Explain why 7*8 is not a number sentence
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