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Medium Sudoku #11

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Tip: download the PDF for Letter or A4 paper, print it at 100% and use a pencil or crayon. Tap "Show solution" to check your answer, or print it as an answer key.

Up nextMedium Sudoku #12 →

A 9×9 sudoku for improving solvers from about age 10, with fewer numbers given: every square still follows from simple logic, but you have to look across rows, columns and boxes together. 29 of the 81 squares are filled in. Fill the rest so that every row, column and 3×3 box has the numbers 1 to 9 once each. Every puzzle here has been checked by a solver to have exactly one solution.

Text version of the puzzle
2 . . | . . . | . 8 .
. . . | . 5 . | 9 7 .
7 . 1 | . 8 . | 3 4 .
1 4 . | 8 . . | . . .
. . 5 | . 1 . | 2 . .
. . . | . . 6 | . 1 9
. 6 4 | . 9 . | 8 . 3
. 1 2 | . 6 . | . . .
. 7 . | . . . | . . 1

A dot is an empty square; a bar separates the boxes.

More puzzles: Nonograms · Mazes · Large-print sudoku

For teachers and parents

What it practises
Logical reasoning, working through options one at a time, number (or picture) recognition
How to use it
Look at one row, column or box and ask which number is missing. Write in only the numbers you are sure of; a pencil and eraser help. Check with “Show solution” or the answer key on page 2.
Time
About 20–30 minutes

More worksheets by age and skill →

Use on your class or library site

Paste this into your school, class or library web page. It shows the picture and a link back here, so families can print it themselves. You can change the wording.

How to add it to your site

More printable sudoku

Medium Sudoku #1Medium Sudoku #2Medium Sudoku #3Medium Sudoku #4Medium Sudoku #5Medium Sudoku #6Medium Sudoku #7Medium Sudoku #8

See all printable sudoku →

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Printing tips

  • Print at 100% (actual size) and solve in pencil so mistakes rub out.
  • Print page 2 separately as the answer key.
  • For picture sudoku, print page 1 twice: one to solve, one to cut the pieces from.