Pam Harris Books

DMR35

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Numeracy Problem String series for classroom teachers

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Middle & High School teacher resources

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Developing Mathematical Reasoning: Avoiding the Trap of Algorithms (Grades K-12)

Developing Mathematical Reasoning: The Strategies, Models, and Lessons to Teach the Big Ideas in Grades K-2

Developing Mathematical Reasoning: The Strategies, Models, and Lessons to Teach the Big Ideas in Grades 3–5

Developing Mathematical Reasoning 6-8 coming fall 2026

Developing Mathematical Reasoning 9-12 coming spring 2027

Numeracy Problem String series for classroom teachers

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Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade

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Building Powerful Numeracy for Middle and High School Students

Lessons and Activities for Building Powerful

Numeracy
Building Powerful Numeracy Facilitator's Guide

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Algebra Problem Strings

Discovering Advanced Algebra

Advanced Algebra Problem Strings