Advent calendar 2016

Archive

Show me a random puzzle

Tags

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