• Vol. 24, No. 3, November 2017


    Erin Bittman and Sally Moomaw

    When children in this third-grade classroom used twenty-five square sticky notes to design artwork, they predicted that all the perimeters would be the same. Surprise!

    Lisa A. Brooks

    These strategies and tools can help students make sense of the value of U.S. coins.


    Douglas H. Clements, Karen C. Fuson, and Julie Sarama

    Analyses show that criticisms of CCSSM are incorrect. Research also provides guidelines for appropriate, effective, and joyful teaching and learning.  

    Kathleen Cramer, Sue Ahrendt, Debra Monson, Terry Wyberg, and Karen Colum

    Working with this challenging model helps students in urban classrooms in a large Midwestern city develop robust mathematical understandings.

    Jennifer M. Bay-Williams and Graham Fletcher

    Putting a twist on a popular mathematical tool, this collection of activities shows how putting a number 1 in the bottom-left cell and a 100 in the top-right cell can better support student reasoning.


    News and Views
    Anita Wager
    Problem Solvers Problem
    Lisa Sherman
    Problem Solvers Solutions
    Christine Percy
    Math by the Month
    Donna Christy and her students in MTET515
    Melissa M. Soto and Jace Hargis
    Zandra de Araujo and William W. DeLeeuw
    Problem Solvers Solutions
    Walter Stark