Advent calendar 2021

Archive

Show me a random puzzle

Tags

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