New to Sudoku?
Work through these levels to find out how to ‘get’ the idea. You don’t have to add or multiply anything – just place the given numbers into the boxes so that they are all used up and there are no double-ups. You’ll be a Sudoku solver in no time!
Suggestion: Draw up your own grid, use pencil and have an eraser handy!
For the first one, use the numbers 1, 2, 3, 4 across and down every line.
Just to add some fun to it, make sure each square also has the numbers 1, 2, 3, 4.
Quick look at the answer
Now try another one:
Check your answer.
Move on to 9 Squares:
Same principle applies – every line across and down must contain the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9
And every 9-box square must have the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9
(You can check below to help you on your way – try to do without it first, though!)
Check your answer.
Now for one on your own:
Check your Answer
Click here to try some more for yourself – they are printable and divided into levels of difficulty. 
For more brain challenges, try Healthy Memory Workout by Gillian Eadie & Dr Allison Lamont
