9th Grade · Logic
9th Grade Logic Puzzle Worksheets
High school logic covers formal reasoning: conditional statements, valid and invalid arguments, common fallacies, ciphers and probability. Puzzles and practice sheets sharpen the analytical thinking used in geometry proofs, computer science, debate and standardized tests, and make careful reasoning a habit. These ninth grade logic worksheets are free printable PDFs for review and test practice, many with answer keys for grown-ups.
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10 worksheets
Big maze: race through the castle halls
Logic & Puzzles · Grade 9 · Logic · 1 page
Cryptogram: logic vocabulary
Logic & Puzzles · Grade 9 · Puzzle · 1 page
Who plays which sport? A 4-friend logic grid: warm-up
Logic & Puzzles · Grade 9 · Logic · 1 page
Magic squares 3 by 3: use each number once
Logic & Puzzles · Grade 9 · Puzzle · 1 page
Pigpen code: analogies and relationships
Logic & Puzzles · Grade 9 · Puzzle · 1 page
Puzzle history match-up
Logic & Puzzles · Grade 9 · Worksheet · 1 page
Whose pet is whose? A 4-friend logic grid
Logic & Puzzles · Grade 9 · Logic · 1 page
Big-print sudoku 9 by 9: tricky puzzles
Logic & Puzzles · 9–10 · Logic · 2 pages
Probability: fill in the blanks
Logic & Puzzles · Grade 9 · Reading · 1 page
Sudoku 9 by 9: two tricky puzzles
Logic & Puzzles · Grade 9 · Logic · 1 page
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