# Puzzles

## Archive

Show me a random puzzle**Most recent collections**

#### Advent calendar 2018

#### Sunday Afternoon Maths LXVI

Cryptic crossnumber #2#### Sunday Afternoon Maths LXV

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

#### Sunday Afternoon Maths LXIV

Equal lengthsDigitless factor

Backwards fours

List of all puzzles

## Tags

square roots dates wordplay volume area shape partitions surds remainders factorials dice rectangles folding tube maps advent planes sums triangles star numbers ave money chalkdust crossnumber bases ellipses algebra squares pascal's triangle cryptic crossnumbers square numbers multiples speed complex numbers chocolate sequences sum to infinity quadratics unit fractions averages integration dodecagons books trigonometry differentiation means spheres grids logic regular shapes time irreducible numbers proportion fractions addition taxicab geometry sport division 2d shapes probabilty people maths polygons mean shapes routes menace chess arrows probability hexagons lines floors prime numbers circles 3d shapes parabolas factors numbers christmas palindromes coordinates integers triangle numbers symmetry perimeter cryptic clues clocks doubling geometry functions crosswords indices percentages graphs angles games multiplication rugby cards coins calculus cube numbers crossnumbers odd numbers number perfect numbers digits colouringIf you enjoyed this puzzle, check out Sunday Afternoon Maths XX,

puzzles about geometry, or a random puzzle.

puzzles about geometry, or a random puzzle.