Click here to win prizes by solving the puzzle Advent calendar.
Click here to win prizes by solving the puzzle Advent calendar.


Advent calendar 2015

18 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 9
multiple of 3
multiple of 5
multiple of 6multiple of 4cube number
Today's number is the multiple of 6 formed in the left hand column.

Show answer

Tags: numbers, grids


Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2019