mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

5 December

I make a book by taking 111 sheets of paper, folding them all in half, then stapling them all together through the fold. I then number the pages from 1 to 444.
Today's number is the sum of the two page numbers on the centre spread of my book.
Tags: numbers, books

Archive

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

Tags

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

Archive

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