Advent calendar 2017

Archive

Show me a random puzzle

Tags

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