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Construct It! Introducing Integers with Floats and Anchors

Christy Pettis and Aran Glancy

Use the Floats and Anchors context as well as physical and digital materials to help students understand integer addition and subtraction.

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Encouraging Students to LOVE MATH with One-Straight-Cut Letters

Yi-Yin (Winnie) Ko, Connor A. Goodwin, Lauren Ream, and Grace Rebber

One-straight-cut activities engage middle-school students in learning about symmetry and geometric transformations.

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Build It! The Rectangle Game

Theresa Wills, Jennifer Suh, Kate Roscioli, Amanda Guzman, Jennifer Everdale, and Sandra Lee

Discover technology-enhanced, game-based tasks and student generalizations.

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Construct It! Intersecting Language and Mathematics with Interlocking Cubes

Basil Conway IV and Marjorie Mitchell

Students learn to build their own numbering system by recognizing and identifying patterns with interlocking cubes in different place values.

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Construct It! Triangle Puzzle Challenges

Enrique Ortiz

This article presents an original puzzle that supports students’ development of visual thinking and geometry ideas based on the Van Hiele levels of geometric thought.

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Construct It! What’s in a Name? Collecting, Organizing, and Representing Data

Eva Thanheiser, Courtney Koestler, Amanda T. Sugimoto, and Mathew D. Felton-Koestler

Build a classroom community by building representations and visualizations of data related to students’ names.

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Understanding Algebraic Expressions Through Figural Patterns

Casey Hawthorne and John Gruver

This instructional sequence develops your students’ meaningful understanding of algebraic expressions.

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Developing Meaning for Mathematical Expressions

John K. Lannin, Christopher Austin, and David C. Geary

Explore two ways that algebra students interpret mathematical expressions. Learn instructional tasks to help students develop meaning.

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Technology and Median Income Data: Opening Doors

Gail Burrill, Joan Funderburk, Becky Byer, and Rachael Gorsuch

Classroom stories show how using technology to investigate the wage gap provided opportunities to develop students’ identities and agency and enabled a classroom culture of sharing and risk-taking.

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Building Equitable Math Talk Classrooms

Karen C. Fuson and Steve Leinwand

The power of Number Talks and extensions that can build to an equitable Math Talk Classroom