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

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?


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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

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


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