Sunday Afternoon Maths VLII

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