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Videos of the Elementary Mathematics Strategies



 
About the Mathematics Videos
Sponsored by Chets Creek Elementary and Schultz Center Academy of Mathematics: K-5, these mathematics videos allow teachers and parents to become familiar with strategies and content that involve operations with numbers. The presented strategies are intended to support the variety of student created strategies that are developed with the Math Investigation lessons at school.

Addition
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  • Addition Overview

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  • Counting Up by Ones

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  • Counting Up by Tens & Ones

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  • Using a 100's Chart

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  • Expanding Notation: Decomposing into Groups of Tens and Ones

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  • Left to Right Addition

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  • Compensation

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  • Regrouping

    Subtraction
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  • Subtraction Overview

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  • Counting Down by Ones

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  • Counting Down by Tens and Ones

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  • Distance Between Two Numbers

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  • Landmark Numbers

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  • Decomposing into Groups of Tens and Ones

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  • Compensation

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  • Expanding Notation with Negative Numbers

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  • Regrouping


    Multiplication
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  • Multiplication Overview

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  • Tally Marks

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  • Repeated Addition

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  • Skip Counting Using an Array

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  • Decomposing

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  • Generic Rectangle

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  • Doubling and Halving

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  • Traditional Algorithm


    Division
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  • Division Overview

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  • Tally Marks

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  • Successive Subtraction

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  • Multiple Towers

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  • Ratio Table

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  • Multiplication Clusters

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  • Russian Peasant (Partial Quotients)

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  • Division Clusters

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  • Traditional Algorithm

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