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