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

# Browse

## Construct It! Introducing Integers with Floats and Anchors

### Christy Pettis and Aran Glancy

## 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.

## 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.

## 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.

## 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.

## 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.

## Understanding Algebraic Expressions Through Figural Patterns

### Casey Hawthorne and John Gruver

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

## 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.

## 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.

## 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