Advent calendar 2017

5 December

You start at A and are allow to walk left, right, up or down along the grid. The grid continues forever in every direction. After you have walked thirteen units, how many different locations could you be in?


Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020