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- Category: Algebra
- Category: Assessment
- Category: Books by Marilyn
- Category: Data
- Category: Division
- Category: Estimation
- Category: Fractions
- Category: Games
- Category: General Interest
- Using Math Menus: Some Nuts & Bolts
- When Should and Shouldn’t We Give Answers?
- Always Try a Problem Before You Assign It
- Does Changing Subtraction to Addition Make It Easier?
- A Reponse to Joe Schwartz’s Blog about Algorithms
- One Children’s Book . . . Different Grade Levels
- The Equal Sign: What It Really Means
- Postscript about the Number Eleven
- Eleven Things about the Number Eleven
- Using Children’s Literature to Teach Math
- Helping Students Open Their Minds
- A Number Line Exploration
- A Mental Math Lesson, Part 2
- Goldilocks, the Three Bears, and Teaching Math
- Why I Tweet
- The 1–10 Card Investigation
- Where’s the Math?
- An Unusual Word Problem: “Dealing in Horses”
- Yet Another Way to Subtract
- Another Way to Subtract
- Word Problems
- Why I Like Using Open Number Lines (Though I Don’t Like the Name)
- The Game of 2048
- Relearning High School Math
- Connecting Math and Reading
- Math at the Deli
- Welcome to My Blog
- Category: Geometry
- Category: Math and Literature
- Category: Math Menu
- Category: Math Reasoning Inventory
- Category: Multiplication
- Category: Number and Operations
- Category: Numerical Reasoning
- Category: Place Value
- Category: Problem Solving
- Category: Real World Problems
- Category: Statistics & Probability
- Category: Subtraction
- Category: Teacher Resource
- Category: Technology
- Category: Video Clips
- Category: Word Problems