Advent calendar 2017

Archive

Show me a random puzzle

Tags

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