Reston, VA - September 10, 2025 - The National Council of Teachers of Mathematics (NCTM) today responded to the newly released NAEP Grade 12 mathematics results with an urgent call for systemic action ...

When students become active doers of mathematics, the greatest gains of their mathematical thinking can be realized. The process of sense making begins when we create classrooms full of curious ...

On a recent episode of the NCTM podcast, Adding It All Up, Kevin Dykema and I had the pleasure of hosting Elaine Saunders, Zepherine Miller, and Shin Law, early-career educators who shared strategies ...

Explore different representations for fractions including improper fractions, mixed numbers, decimals, and percentages. Additionally, there are length, area, region, and set models. Adjust numerators ...

Please join the MTLT Teacher Talk on December 2 to discuss the article “Classroom Strategies to Make Sense and Persevere" by Jane Wilburne, Tara Wildmann, Michael Morret, and Julie Stipanovic, from ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...

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Observe another teacher. Pay particular attention to the questions the teacher asks the class and also individual students. Were the questions effective? How can you tell? Did the questions result in ...

A rhombus has four congruent sides. A rectangle has four congruent angles. But a square has four congruent sides and four congruent angles. Using a Venn diagram, the relationship would look like this: ...