In this issue’s task we work with right-angled triangles, isosceles as well as scalene. The activity has enormous scope for creativity, visualisation, investigation, pattern recognition, documentation and conjecture. Facilitators should encourage students to come up with proofs for conjectures that they make.


A hexagram can be folded in a number of ways to get a various geometric shapes! Happy folding!


Related TOI resources:

"Assessment needs to provide answers for two questions:ƒ How is the student evolving as a learner? ƒ What can I do to facilitate that learning? With the encouragement of a supportive principal, I re-worked the model for formative assessment..."

For part 1 of the article, click here.

A nice investigation with dynamic geometry for students at high school is the so-called Midpoint Trapezium theorem...
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