Advent calendar 2017

Archive

Show me a random puzzle

Tags

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