Advent calendar 2016

Archive

Show me a random puzzle

Tags

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