Advent calendar 2025

Archive

Show me a random puzzle

Tags

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