⭐ 32–36 given numbers
Medium Printable Sudoku
100 free medium puzzles for regular solvers who know the basics and want a steady challenge.
Medium puzzles need at least one step beyond naked singles: hidden singles, pointing pairs, box/line reduction or naked pairs.
All medium puzzles
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Puzzle guide
About medium Sudoku
What they are
Medium Sudoku gives you 32 to 36 starting numbers and asks for at least one step beyond spotting obvious singles. Every grid at this level needs a hidden single, a pointing pair, a box-line reduction or a naked pair somewhere along the way, which is where most solvers first start making notes.
How to play
The rule never changes: digits 1 to 9 once each in every row, column and box. What changes is the method. Instead of asking which digit fits a square, ask where a digit can go inside one row or box. When only one square can take it, that is a hidden single.
Tips
Light pencil marks pay off here. Note the two or three candidates in each tricky square, then look for two squares in a box that share the same pair; those two digits can be erased from the rest of that box. Revisit the whole grid after every new number.
Who they suit
This level fits regular solvers, confident older children and puzzle fans who finish easy grids in a few minutes and want to slow down. It also works for a classroom challenge after pupils have mastered the basic rules.
Printing
Print one big grid when you want room for candidate notes, or four smaller ones for a commute. Medium grids look best on plain paper in black ink; the answer key prints separately.
Good to know
Medium Sudoku questions
Need a break from the numbers?
Try a medium riddle
Sudoku and riddles train the same muscle: spotting what must be true. Here are a few medium riddles with answers.