Advent calendar 2017

Archive

Show me a random puzzle

Tags

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