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 

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


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2019