Sudoku puzzle · Logic & Puzzles
Sudoku 9 by 9: two tricky puzzles · Grade 9
Fill two 9 by 9 sudokus so every row, column and 3-by-3 box has 1 to 9 exactly once. About 25 clues each; these need sharp deduction, and each has exactly one solution.
- Grade 9 · ages 14 to 15
- Hard
- 20 to 30 minutes
- 1 page
- Free
The answer key is a separate page for grown-ups. Sign in to download it.
What the sheet says
Directions: Fill in the empty squares so every row, every column and every thick-lined box has the numbers 1 to 9 exactly once.
- 1 26 clues
- 2 26 clues
What your child practices
Your child practices logic and puzzles for Grade 9 with this sudoku puzzle.
- Grades and ages
- Grade 9, ages 14 to 15
- Time
- About 20 to 30 minutes
- Subject
- Logic & Puzzles
- Level
- Hard for Grade 9
- Answer key
- Yes, for grown-ups who sign in
- Printing
- 1 page, US Letter or A4, low-ink option
- Updated
How to use it
Read every clue or rule before filling anything in. Use a pencil so changes are easy to make. It is one of the harder sheets for Grade 9, best once the basics of the topic are secure.
An answer key comes with it as a separate page that grown-ups download after signing in.
Tip for grown-ups: Start with the row, column or box that has the most numbers already filled in.
Done on paper? A grown-up can record it on the child's page in PlayOwl; downloading alone doesn't count as finished.
Logic & Puzzles · Grade 9
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