Puzzles

Archive

Show me a random puzzle

Tags

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