Common Core Teaching Resources

CCSS.MATH.CONTENT.3.OA.D.9

Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

The latest CCSS.MATH.CONTENT.3.OA.D.9 teaching resources

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