Advent calendar 2016

Archive

Show me a random puzzle

Tags

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