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