Advent calendar 2017

Archive

Show me a random puzzle

Tags

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