Advent calendar 2017

Archive

Show me a random puzzle

Tags

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