Advent calendar 2018

Archive

Show me a random puzzle

Tags

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