Advent calendar 2017

Archive

Show me a random puzzle

Tags

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