Advent calendar 2017

Archive

Show me a random puzzle

Tags

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