Tom Davis

Conway’s Rational Tangles

Contributor(s):
  • Activity Description
  • Topics Covered
  • Session Styles
  • Mathematical Practices
What do adding positive and negative fractions have to do with tying knots? In this entertaining lesson, students will use ropes to explore and identify mathematical operations that untangle knots and lead to new thinking. Simple operations of twists and rotations circle back to practicing the addition of positive and negative fractions.

Facilitator Guide

https://mathcircles.org/wp-content/uploads/2021/03/Rational-Tangles.pdf

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