Mental Math Strategies: Addition and Subtraction Within 20

Last updated: July 12, 2022
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Learn mental math strategies with this set of videos!

Suitable for Pre K – Grade 1 students.

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Posted 9 months ago
Easy process for young ones to understand and use.

The process of adding and subtracting broken into simple steps will make this easy for young ones to learn the basics of addition and subtraction .

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