October 2015, Vol. 21, Issue 3
Visual Reasoning Tools in Action
Tad Watanabe
Double number lines, area models, and other diagrams power up students’ ability to solve and make sense of various problems.
The integration of appropriate tools and technology is an important guiding principle for school mathematics (NCTM 2014). Although we tend to focus on integrating technology in school mathematics, this article discusses tools that have consistently been an important part of mathematics teaching and learning.
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