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ClassDojo helps teachers, parents, and students build amazing classroom communities.

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2nd Grade Arrow Method for Addtion & Subtraction

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2nd Grade Friendly Numbers w _ Tape Diagram Addition and Subtraction

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1st Grade Addition Strategy:  Arrow Method

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1st Grade Addition Strategy: Arrow Method

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Addition or Subtraction RDW Tape Diagram Video

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Addition or Subtraction RDW Tape Diagram Video

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Tape Diagrams for Addition and Subtraction

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Modeling with Tape Diagrams | Good To Know | WSKG

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Tape diagrams are another visual strategy your child will learn to show addition and subtraction. If this strategy works well for your child, encourage her to use it when solving story problems! Remember RDWW? Read, draw, write a number sentence, and write an answer statement.

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1st Grade Addition Strategy: Tape Diagrams

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1st Grade Addition Strategy: Place Value

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1st Grade Addition and Subtraction Strategy: Place Value

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Math Studio Talk: Common Core Instruction for 1.OA

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Math Studio Talk: Common Core Instruction for 1.NBT

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This is "Math Studio Talk: Common Core Instruction for 1.NBT" by EngageNY on Vimeo, the home for high quality videos and the people who love them.

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Math Strategies for Teaching Place Value in Elementary School : Understanding Math