Advent calendar 2021

Archive

Show me a random puzzle

Tags

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