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


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


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