2009 unit cubes are glued together to form a cuboid. A pack, containing 2009 stickers, is opened, and there are enough stickers to place 1 sticker on each exposed face of each unit cube.
How many stickers from the pack are left?

Show answer & extension


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


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


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