Click here to win prizes by solving the puzzle Advent calendar.
Click here to win prizes by solving the puzzle Advent calendar.


Advent calendar 2017

18 December

Today's number is the maximum number of pieces that a (circular) pancake can be cut into with 17 straight cuts.


Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2019