Advent calendar 2017

Archive

Show me a random puzzle

Tags

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