Sunday Afternoon Maths XIII

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