Advent calendar 2018

Archive

Show me a random puzzle

Tags

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