Explain why addition and subtraction strategies work 2.NBT.B.9 Grade 2 AASA Practice Test Questions TOC | Lumos Learning

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Bill said that adding 23 + 45 will get you the same answer as adding 25 + 43. Is Bill correct? Explain you answer.

Resource: Question

Question Type: Extended Constructed Response

Standard(s):2.NBT.B.9

Standard Description: Explain why addition and subtraction strategies work, using place value and the properties of operations

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