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Being Mindful in the Mathematical Moment

Jonathan N. Thomas, Cindy Jong, and Molly H. Fisher

Consider dimensions of equity to enact more responsive mathematics teaching in the elementary classroom.

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Building a Digit Classifier with MNIST

Jedediyah Williams

Students use feature engineering to build a classifier that can accurately recognize digits from images.

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Developing the Write Reasoning in Kindergarten Mathematics

Alexa E. Freitas, Riki Fujioka, Haley M. Zmijewski, and Tutita M. Casa

Learn how to introduce kindergarteners to mathematical writing and develop their ability to reason and communicate their thinking to others.

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Drawing a Positive Math Identity: Portrait of a Math Person

Liza Bondurant and Liesl McConchie

Activities and resources to help learners foster a positive math identity.

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Embracing Uncertainty, Struggle, and Creativity with Open Middle

Stephen L. Caviness, Crystal Wallen, and Lorraine Stewart

These educators share the “how” and “why” behind their use of open middle tasks in the classroom.

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Strengthening Students’ Proofs Using Peer Critiques and Revisions

Brooke Krejci and Kimberly Conner

Support students’ understanding of the proving process by having them pose a conjecture, draft a proof, and then revise it using peer feedback.

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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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Déjà Vu

Angela T. Barlow

Check out this issue’s cover: Have you seen it previously? Peruse the table of contents: Have you read this before? Build It!Adapt It!Construct It!—It all seems so familiar.

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GPS: Relationships Between Area Units and Area Measurements

Michelle T. Chamberlin and Robert A. Powers

Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners' growth as problem solvers across their years of school mathematics.

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Improve It! Understanding Shape’s Structures

Joana Conceição and Margarida Rodrigues

A look at first graders’ abilities to build and improve their geometry constructions while moving between and connecting 2D and 3D representations.