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Karen S. Karp, Sarah B. Bush and Barbara J. Dougherty

Try these meaningful alternative approaches to helping students make sense of word problems.

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Christie Henderson

Math is so much more than numbers.

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Stefanie D. Livers, Kristin E. Harbour and Lindsey Fowler

In our attempts to make a concept easier, we may hinder student learning.

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Annie Perkins and Christy Pettis

Students are given a problem to break down rectangles.

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Candace Joswick, Douglas H. Clements, Julie Sarama, Holland W. Banse and Crystal A. Day-Hess

Modify activities according to these principles and suggestions.

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Anjali Deshpande and Shannon Guglielmo

Using surveys and focus groups in an inquiry project, the authors learned that four research-based pedagogical moves improved their teaching and inspired students to persist in problem solving.

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Clayton M. Edwards, Rebecca R. Robichaux-Davis and Brian E. Townsend

Three inquiry-based tasks highlight the planning, classroom discourse, positive results, and growth in one class's journey.

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Students use a super-hero theme to compare the imperial system to the metric system.

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Ron Lancaster

Since its inception, the Mathematical Lens column has provided teachers with resources to use with their students to make connections between mathematics and the world around us through the use of photographs. The editors and the dozens of teachers who submitted material for columns have taken all of us on a journey around the world to discover where mathematics lives. These columns have offered teachers a license to do mathematics everywhere and to travel far with their students with a full tank of resources.