Yossi Elran

Learn how to make flexagons - beautiful and unique paper constructions - and explore the math behind them. Discover the unusual math of twisted strips of paper. Flexagons are twisted strips of folded paper, which reveal their properties when flexed. This online course will explain what flexagons are, their [...]

Explore and solve encrypted maths puzzles, in which numbers are replaced by letters or symbols, with this free online course. Discover maths puzzles, explore their history and practise problem-solving techniques. You’ll explore: + Cryptarithms - puzzles where the digits have been replaced by letters. + Symbologies - puzzles where [...]

Explore, discover and enjoy 'recreational' math with fellow students, while boosting your creative and deductive thinking skills! Get an introduction to the fun, games and puzzles of recreational math. This course is all about recreational math. During the course you will challenge your brain and have fun while learning [...]