Advent calendar 2021

Archive

Show me a random puzzle

Tags

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