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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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Rochelle Goldberg Kaplan and Sandra Alon

Professional development equips practitioners with skills to enhance student learning.

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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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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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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.

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Amy Noelle Parks and Diana Chang Blom

Capitalize on opportunities for mathematical concepts to emerge in common preschool contexts, such as doll corners and block centers.

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Kristen E. Reed and E. Paul Goldenberg

Use these principles for constructing and choosing tasks that blend seamlessly into the school day, guide your teaching, and preserve precious instructional time.

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Molly Rawding

Postscript items are designed as rich grab-and-go resources that any teacher can quickly incorporate into his or her classroom repertoire with little effort and maximum impact. Quick images are a fun, engaging way for students to compose and decompose visual numbers. Students apply their understanding of subitizing–the ability to recognize a number of items without counting–as they determine the quantity of the group

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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.