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Teaching Fractions With Understanding: Part-Whole Concept
Written for teachers, this article describes four basic approaches children use in understanding fractions as equal parts of a whole.
Fractions
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articleTangles
A personal investigation of Conway's Rational Tangles. What were the interesting questions that needed to be asked, and where did they lead? -
articleStretching Fractions: A Discussion
This article extends and investigates the ideas in the problem "Stretching Fractions". -
articleThe Harmonic Triangle and Pascal's Triangle
The harmonic triangle is built from fractions with unit numerators using a rule very similar to Pascal's triangle.