Math Success by DMTI

Fractions: The Developmental Understandings Beneath Concepts And Operations

Introduction:

Oct 2 • Math Success by DMTI

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September 2026

Math Models That Mater

A student can compute 503 − 297 correctly, line up the digits, regroup across the zero, and arrive at 206, yet still have little sense of the size of…

Sep 8 • Math Success by DMTI

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August 2026

Mathematical Thinking in The Age of Digital Dependence

Introduction: Mathematical Understanding in a Digital World

Aug 27 • Math Success by DMTI

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July 2026

Place Value: The Understandings That Predict Later Math Success

Introduction: Place Value as Units and Magnitude

Jul 17 • Math Success by DMTI

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June 2026

Drawing Understanding: Why Letting Kids Create Number Lines Builds Stronger Math Minds

Master number lines! Learn how this powerful tool builds number sense, fractions, decimals, operations & algebraic thinking from kindergarten to…

Jun 15 • Math Success by DMTI

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May 2026

Why Students Struggle With Word Problems And How Bar Models Help

Introduction: From Word Problems to Mathematical Structure

May 20 • Math Success by DMTI

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April 2026

Why Subtraction isn't Just Addition Backward

This DMT Insight draws on research from mathematics education and cognitive psychology to answer a practical question: What does subtraction require…

Apr 29 • Math Success by DMTI

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Ratio Tables: Building Multiplicative and Proportional Reasoning

This DMT Insight explains and gives examples of how to teach with ratio tables and why using ratio tables serve as a flexible symbolic structure that…

Apr 10 • Math Success by DMTI

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March 2026

Beyond "Name the Shape": Teaching Quadrilaterals for Understanding

Introduction:

Mar 17 • Math Success by DMTI

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What Depth of Knowledge Means in Math: Rethinking What We Ask Students To Do

This DMT Insight explores how Depth of Knowledge (DOK) reshapes lesson design and instructional questioning by focusing on the mental actions students…

Mar 2 • Math Success by DMTI

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February 2026

Rethinking the Teaching of Area and Perimeter

Introduction:

Feb 19 • Math Success by DMTI

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Beyond Worksheets: How Summer Math Programs Boost Language and Thinking

This research overview highlights how well-designed summer math programs emphasizing language rich, hands-on, & conceptually focused experiences…

Feb 4 • Math Success by DMTI

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