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

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