# Math

Math (X) - Professional (X)

## Foundation of Multiplication & Division

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Your child sets the foundation for understanding multiplication and division in second grade. The first layer in building this foundation is a concrete understanding. He will use objects as counters to create equal groups.

Making equal groups, drawing pictures, and using repeated addition all build a strong foundation for third grade, where your child will dive right into multiplication and division!

## Regrouping to Subtract

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This video addresses Common Core Grade 2 Standard Number & Operations in Base Ten: Use place value understanding and properties of operations to add and subtract.

## Carrying When Adding Three Digit Numbers

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Supplement lessons with this Khan Academy video on carrying when adding three digit numbers, excellent for 2nd Grade classrooms.

## Tape Diagrams: Modeling 2-Digit Addition & Subtraction

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Your students continue to use tape diagrams as a visual tool to solve word problems. Now, they solve for an unknown in any position.

This video demonstrates Common Core Grade 2 Standard Operations & Algebraic Thinking: Represent and solve problems involving addition and subtraction.

## Missing Addends with Manipulatives | Making Math Matter

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Learn classroom strategies for finding missing addends with manipulatives in this professional development video from Making Math Matter.