Advent calendar 2020

Archive

Show me a random puzzle

Tags

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