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Alan Turing på Englands nya £50-sedel

“The design on the reverse of the note celebrates Alan Turing and his pioneering work with computers. It features: * A mathematical table and formulae from Turing’s seminal 1936 paper “On Computable Numbers, with an application to the Entscheidungsproblem” Proceedings of the London Mathematical Society. This paper is widely recognised as being foundational for computer

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“In the mind’s eye, a fractal is a way of seeing infinity.”

In a testament to Aldous Huxley’s astute insight that all great truths are obvious truths but not all obvious truths are great truths, the polymathic mathematician Benoit Mandelbrot (November 20, 1924–October 14, 2010) observed in his most famous and most quietly radical sentence that clouds are not spheres, mountains are not cones, coastlines are not

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Svar och lösningar, januari 2021

Vi tackar: Oscar Lindbäck, Myresjöskolan, Nacka Gerestaskolan, Härnösand Sörbyängsskolan, Örebro som har skickat in svar och lösningar på minst ett av problemen. Rätt svar: 4 Här visar vi två lösningar inskickade av: Sörbyängsskolan i Örebro och Lykke Matilda Fransson, Härnösand Rätt svar: 2 Här visar vi en lösning från Sörbyängsskolan i Örebro. Rätt svar: 65

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Do organizational supports for math instruction improve the quality of beginning teachers’ instruction?

Results suggest little improvement in the instructional quality of mathematics lessons during the first three years of teaching and that most organizational supports, as they are currently delivered, do not appear to help beginning middle school mathematics teachers improve their instructional quality. Using in-depth case studies, we explore the nature of the supports provided and

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