Advent calendar 2016

Archive

Show me a random puzzle

Tags

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