Advent calendar 2016

Archive

Show me a random puzzle

Tags

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