Common Core Instruction: Use Modeling and Tools to Solve Three Digit Subtraction Problems

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Grade 2 Math Common Core Instruction: Use modeling and tools to solve three digit subtraction problems

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Tuesday, May 14, 2013
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Standards Addressed by this Resource

2.NBT.7: Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three- digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.