Puzzles

Archive

Show me a random puzzle

Tags

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