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Advent calendar 2016

3 December

What is the volume of the smallest cube inside which a rectangular-based pyramid of volume 266 will fit?

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Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

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

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