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Wonder in Mathematics

[verb] + [noun]: Wondering about and creating wonder

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Month: October 2016

Tangling and untangling

27 October 201620 December 20161 Comment

This is the seventh in a series of posts about my course ‘Developing Mathematical Thinking’, a maths content elective for pre-service teachers training in primary and middle maths. All posts in the series are here. WARNING: It's a long post. Edited to fix the confusion between × (multiply) and x (the letter). I have been itching to try Conway's Rational Tangles … Continue reading Tangling and untangling

How many triangles?

5 October 20168 October 20173 Comments

It's been quiet on the blog, but a lot has been happening. University classes in Adelaide have just resumed after a two week mid-semester break. To warm up, I gave my MATH 1070 students the following problem. I found it via Tanya Khovanova who states that it was an entrance problem for the 2016 MIT PRIMES STEP Program. (Read more on Tanya's … Continue reading How many triangles?

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