Advent calendar 2017

Archive

Show me a random puzzle

Tags

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