Advent calendar 2016

Archive

Show me a random puzzle

Tags

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