Advent calendar 2015

Archive

Show me a random puzzle

Tags

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