Advent calendar 2017

18 December

Today's number is the maximum number of pieces that a (circular) pancake can be cut into with 17 straight cuts.


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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

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


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