Advent calendar 2017

Archive

Show me a random puzzle

Tags

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