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Lauren J. Rapacki and Dionne I. Cross Francis

Share a teacher's ultimately empowering experience of transitioning into an ill-defined, unanticipated leadership position.

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Henry Borenson

An operational understanding of the equal sign can hinder learning its relational meaning.

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Ian D. Fryer and Aakriti Kapoor

Students explore number patterns using visual patterns of numbers and color. Each month, elementary school teachers are presented with a problem along with suggested instructional notes; asked to use the problem in their own classrooms; and encouraged to report solutions, strategies, reflections, and misconceptions to the journal audience.

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Rochelle Goldberg Kaplan and Sandra Alon

Professional development equips practitioners with skills to enhance student learning.

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Aisling Leavy, Mairéad Hourigan, and Áine McMahon

One of the first math symbols introduced=the equals sign=underpins much of the algebraic reasoning a child will use in later years.

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Melissa Farkas

Challenge your students to create a visual representation of their thinking that can be captured in a single photograph. First, pose a task based on a real-world situation that is familiar to your students.

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Dittika Gupta and Lara K. Dick

Principles to Actions: Ensuring Mathematical Success for All (NCTM 2014) calls for integrating into the classroom real-world activities that connect mathematical ideas to other subjects and contexts. Motivated by the desire to make these connections, we devised a paper airplane design task to engage students in various STEM concepts.

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Debra Rawlins, Natasha Hernandez, and William Miller

Second graders move from counting by ones to counting equal groups to structuring arrays.

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Cathy M. Chaput and Beth Smith

Introducing a problem to children is always exciting when your goal is to challenge them in more than one way. The Base-Ten Block Challenge, published in TCM's January/February 2018 issue, has two layers to the activity. Conceptually, it has the challenge of using familiar materials more flexibly. In addition, this problem incorporates the strategy of Complex Instruction (CI), which aims to make group participation more equitable for all members through using random grouping and tasks with multiple entry points as well as ensuring that all students are accountable for understanding (Featherstone et al. 2011). A grade 2 class in Guelph, Ontario, Canada, took on this challenge, facilitated by a program coordinator in collaboration with their classroom teacher, Mrs. Beth Smith.

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Lisa Englard

Easy-to-design puzzles that encourage mathematical reasoning and promote numerical fluency, arithmogon puzzles are simple: Add the numbers in two circles to get the number in the square. Every month, this final page of the journal highlights a quick game, puzzle, activity, or instructional strategy and suggestions for teachers of different grade bands to use the idea in the classroom.