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Schools and Education General Discussion
Reply to "Why are people so upset about Common Core?"
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[quote=Anonymous][quote=Anonymous]Okay, then. Here's another--still second grade: Explain why addition and subtraction strategies work, using place value and the properties of operations.1 [/quote] Question: Is this correct? 25-13=38 Yes or no. Explain why. Answer: No, this is not correct. 25-13=12. 23 is 2 tens and 5 ones. 15 is 1 ten and 3 ones. 2 tens minus 1 ten is 1 ten. 5 ones minus 3 ones is 2 ones. I'm not a math major. I'm not a math teacher. I'm not a test designer. And even I can figure this out. I really don't understand why somebody would think it was impossible to write test problems for this standard.[/quote]
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