Turn a light on the Rectangle Border problem and watch students make connections among multiple representations to better understand structure.

Contributor Notes

Jacqueline Coomes, jcoomes@ewu.edu, is a professor of mathematics education at Eastern Washington University in Cheney. She enjoys collaborating with current and future teachers and exploring students' ways of thinking about mathematics.

(Corresponding author is Coomes jcoomes@ewu.edu)
The Mathematics Teacher
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