Advent calendar 2025

Archive

Show me a random puzzle

Tags

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