Puzzles

Archive

Show me a random puzzle

Tags

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