Advent calendar 2015

Archive

Show me a random puzzle

Tags

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