Advent calendar 2020

Archive

Show me a random puzzle

Tags

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