Mental math

How to Teach Mental Math Strategies to 100.

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Mental Math Strategies

Marria Carrington

In this presentation, Beyond Fluency to 20: The Power of Intentional Sequences to Build Fluency in Addition and Subtraction within 100, Marria unpacks foundational skills for building mental math strategies within 100 by leveraging what students understand about addition and subtraction to 20.

Marria worked for USMRC for 6 years. She is passionate about supporting teachers on the journey of improving math instruction. Her current role is the Director of Mathematics Leadership Programs at Mount Holyoke College.

This 38 minute presentation originally aired on Christina Tondevold’s Build Math Minds Virtual Summit.
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