Advent calendar 2018

Archive

Show me a random puzzle

Tags

calculus proportion square roots cube numbers complex numbers multiplication sums star numbers number balancing volume chalkdust crossnumber logic sequences indices spheres dates perimeter remainders speed rectangles 2d shapes sum to infinity square numbers planes clocks christmas chess percentages surds tiling scales multiples differentiation integration mean squares taxicab geometry dodecagons algebra polygons folding tube maps probabilty books triangle numbers crossnumbers means people maths median shapes crossnumber pascal's triangle hexagons ellipses geometry chocolate probability coordinates parabolas palindromes integers colouring dominos elections ave functions numbers circles bases dice the only crossnumber regular shapes partitions games advent unit fractions routes fractions cryptic clues time trigonometry prime numbers sport floors division gerrymandering grids crosswords triangles digital clocks quadratics odd numbers lines angles arrows cards area perfect numbers menace factorials range products factors shape wordplay averages digits cryptic crossnumbers graphs coins symmetry irreducible numbers addition rugby 3d shapes money doubling