Advent calendar 2016

Archive

Show me a random puzzle

Tags

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