Advent calendar 2016

Archive

Show me a random puzzle

Tags

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