Each month, elementary school teachers are given a problem along with suggested instructional notes. Teachers are asked to use the problem in their own classrooms and report solutions, strategies, reflections, and misconceptions to the journal audience. This month, students are asked to count and organize a large collection of candies to promote an understanding of place value in our base-ten number system.

Contributor Notes

Edited by Ed Enns, an elementary school learning services consultant with the Waterloo Region District School Board in Kitchener, Ontario, Canada. Each month, this section of the Problem Solvers department features a new challenge for students. Readers are encouraged to submit problems to be considered for future columns. Receipt of problems will not be acknowledged; however, those selected for publication will be credited to the author. Find submission guidelines for all departments at www.nctm.org/tcmdepartments.

Teaching Children Mathematics

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