Advent calendar 2018

Archive

Show me a random puzzle

Tags

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