# Puzzles

## Archive

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

#### Sunday Afternoon Maths LXVII

Coloured weightsNot Roman numerals

#### Advent calendar 2018

#### Sunday Afternoon Maths LXVI

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

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

List of all puzzles

## Tags

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

## 9 December

You start at A and are allowed to move either to the right or upwards.

How many different routes are there to get from A to B?

## 9 December

You start at A and are allowed to move either to the right or upwards.

How many different routes are there to get from A to B?