American University's premier club for hanging out, eating food, and talking about the life of mathematics and the mathematics of life.
Joined June 2017
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Shoutout to Art Shapiro! @agshapiro2
Originally created by Arthur Shapiro and Alex Rose-Henig of American University, this illusion gives the overall impression that all of the movement involved is circular – but it's actually made by dots' straight motion.
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Games, puzzles, interesting problems and meaningful projects can provide motivating contexts for learning and practising foundational skills and knowledge.
Here are 6 puzzles we love that invite logical reasoning and arithmetic into a playful space for practice
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An NxN square array of numbers has entries in each row and in each column adding to the same value.
Prove it is possible to circle N non-zero entries, one per row and one per column.
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One point simply rotates around the origin. The other four points are moving in a straight line! 😲[bityl.co/NwaO]
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Can you spot the mathematician within this week's #GCHQPuzzle?
ALT Which mathematician is hiding in this sequence?
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Grothendieck's prime #mathtwitter
ALT A picture of 8 baguettes and a cat tucked in between them. The cat is the same colouring as the baguettes and camouflages. The baguettes are captioned "101", "13", "3", "7", "53", "11", "61", and "17". The cat is captioned "57".
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Interview Puzzle. What is the sum of all 5 digit numbers using 1, 2, 3, 4, 5 without repetition?
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Can you give us the word we're looking for in this week's #GCHQPuzzle? 🤔
ALT WHAT WORD COULD PRECEDE THIS SEQUENCE? ???????, CRLIAIC, HAFKPMH, OYAEAAO
