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1.0A.3

Standard(s)
Apply properties of operations as strategies to add and subtract3 Examples; if 8 + 3 = 11 is known, then 3 + 8 = 11 is also known (Commutative property of addition.) To add 2 + 6 + 4 the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)


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Portfolio Assessments


Can be assessed through CGI problems.

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