Printable sudoku
Choose a level and how many puzzles you want per page. The answers print on a separate page, so you can hand out the puzzles and keep the key.
63536899381629775873149672984514
18724264984783592484973589413215
2943517253818454532862727845223684
36413513682417926474126282189769465
4SudoMioAnswers, sheet MI07684195372175362489932478651316259748749816235528743196453921867297684513861537924
1853714692917682534264953718472836159139527486685149273526378941341295867798461325
2964382751712945386853761429389127645475639218621854973546298137198473562237516894
3869247513517396842423185967392571684186924735754638129675412398231859476948763251
4 Tips for printing
Choose "Save as PDF" in the print window to keep a copy.
The sheet code at the bottom brings back the same puzzles later. Type it into the address bar after the page link, like ?sheet=4KX2.
Teachers: the 6x6 and 4x4 grids work well for a class, with four or six on a page.