Advent calendar 2021

Archive

Show me a random puzzle

Tags

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