Klaus Puhlmann
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Using Bar Representations as a Model for Connecting Concepts of Rational Number
James A. Middleton, Marja van den Heuvel-Panhuizen and Julia A. Shew
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Multiple Representations for Pattern Exploration with the Graphing Calculator and Manipulatives
Douglas A. Lapp
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Why Representations?
James E. Schultz and Michael S. Waters
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Calendar Math
Arthur Jorgensen
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Activities for the Middle School Math Classroom: Dice Games
A. Craig Loewen
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Logical Problems in Teaching Statistics
Natali Hritonenko
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Four Babylonian Mathematics Problems in the Sexagesimal System
Sandra M. Pulver
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Learning to Communicate Mathematically
Joyce M. Bainbridge and Monica A. Ellis
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Contrasting Probabilities for Individual Scores and Sample Means
Bonnie H. Litwiller and David R. Duncan