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


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


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© Matthew Scroggs 2019