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Advent calendar 2016

7 December

Put the digits 1 to 9 (using each digit once) in the boxes so that the three digit numbers formed (reading left to right and top to bottom) have the desired properties written by their rows and columns.
multiple of 25
today's number
all digits even
multiple of 91multiple of 7cube number
Tags: grids, numbers

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

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