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

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Performance Assessment Tasks | Inside Mathematics

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These tasks are grade-level formative performance assessment tasks with accompanying scoring rubrics and discussion of student work samples. They are aligned to the Common Core State Standards for Mathematics. You may download and use these tasks for professional development purposes without modifyi…

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Math Studio Talk: Common Core Instruction for 2.OA

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This is "Math Studio Talk: Common Core Instruction for 2.OA" by engageny on Vimeo, the home for high quality videos and the people who love them.

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Use an array to multiply a two-digit number by a one-digit number

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In this lesson, you will learn strategies for multiplying 2 digit by 1 digit numbers... by breaking apart their arrays into easily manageable multipliers.

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2nd Grade Arrow Method for Addtion & Subtraction

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3rd Grade Mental Math Addition and Subtraction

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

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2nd Grade Friendly Numbers w_ Tape Diagram Addition and Subtraction

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2nd Grade Friendly Numbers w_ Tape Diagram Addition and Subtraction