Contents
Notes
106.45 A generalisation of a classical open-top box problem
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- 12 October 2022, pp. 526-531
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On ‘What makes a good Proof without Words’
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- 22 June 2022, p. 349
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106.46 On the Gerretsen inequalities in trigonometrical form
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- 12 October 2022, pp. 532-533
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On ‘A pretty series revisited’
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- 22 June 2022, p. 350
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106.14 Exarc radii and the Finsler-Hadwiger inequality
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- 24 February 2022, pp. 138-143
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106.47 Halving a triangle in a given direction
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- 12 October 2022, pp. 534-538
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106.15 A proof of Lukarevski’s conjecture
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- 24 February 2022, pp. 143-147
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On ‘Correct answer – dodgy method’
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- 22 June 2022, pp. 350-351
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106.48 On the first Fermat point for the triangle
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- 12 October 2022, pp. 539-541
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106.16 Sums of Hex numbers are cubes − a planar Proof without Words
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- 24 February 2022, pp. 147-148
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On 105.28
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- 22 June 2022, p. 351
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Problem Corner
Problem Corner
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- 22 June 2022, pp. 352-357
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Teaching Notes
A quick simultaneous evaluation of ∑ k3 and ∑ k2
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- 24 February 2022, p. 149
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106.49 An area problem using barycentric coordinates
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- 12 October 2022, pp. 541-543
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Teaching Notes
Rewriting polynomials: a tool for teaching secondary mathematics
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- 12 October 2022, pp. 544-547
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How to impress a chemist (again!)
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- 24 February 2022, pp. 149-150
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Student Problems
Student Problems
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- 22 June 2022, pp. 358-360
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Teaching Notes
Two unusual optimisation problems
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- 24 February 2022, pp. 151-154
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Reviews
Pack up a penguin, journeys into the mathematics of area by Chris Pritchard, pp. 240, £19.00 (MA members £13.30), ISBN 978-1-91161-608-5, The Mathematical Association (2020)
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- 22 June 2022, p. 361
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Teaching Notes
The full story of invariant lines
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- 12 October 2022, pp. 547-548
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