Puzzles

Archive

Show me a random puzzle

Tags

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