Advent calendar 2015

Archive

Show me a random puzzle

Tags

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