Free Printable Logic & Reasoning Lesson Plans

Standalone K-12 lessons on logic grid puzzles, reading clues closely, and judging evidence and arguments — free to print, aligned to Common Core.

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Kindergarten–1st grade

25 minutes · SL.1.2, MP.1
Who Has Which Pet? A First Picture Logic Puzzle
Young learners listen to two spoken clues, mark a giant picture grid with ✓ and ✗, and figure out which friend owns which pet.

2nd grade

30 minutes · RI.2.1, MP.1
Cross It Out! Reading “Not” Clues in Logic Puzzles
Second graders learn that a “not” clue crosses something out, sort clues into ✓ and ✗ piles, and solve two 3×3 logic grids.

3rd grade

40 minutes · RI.3.1, MP.7
My First Logic Grid: One Check per Row
Third graders discover the one-check-per-row-and-column rule, practice filling in the ✗s it creates, and solve a 3×3 and a 4×4 logic grid.

4th grade

40 minutes · RI.4.1, MP.1
Tricky Clue Words: Either/Or and Neither/Nor
Fourth graders decode what “either/or” and “neither/nor” clues really prove, sort clue cards by type, and solve a 4×4 logic grid.
40 minutes · RI.4.1, MP.1
The Witch's Workshop: A Halloween Potion Logic Puzzle
Students restore a witch's knocked-over workshop by matching four potions to their charms and magical effects — a three-category logic grid with a hands-on classroom reveal.

5th–6th grade

45 minutes · RI.5.1, MP.1
Connecting the Clues: Three-Category Logic Grids
Upper-elementary students learn how a three-part logic grid lets one fact unlock another, then solve a 4-camper puzzle and quote the clue behind each step.
40 minutes · MP.1, MP.2
Who Came First? Ordering and Position Puzzles
Students translate before/after, “right behind,” and “between” clues into positions on a number line, then solve a lunch-line and a race-finish puzzle.

7th grade

45 minutes · RI.7.1
Evidence, Inference, or Assumption? Reading a Case File
Seventh graders read a short mystery case file, sort statements into evidence, inference, and assumption, and cite several pieces of text to support a conclusion.

8th grade

45 minutes · RI.8.8, MP.3
If–Then Clues: Conditional Reasoning for Detectives
Eighth graders learn which if–then conclusions are valid (the contrapositive) and which only feel valid (the converse and inverse), then solve a puzzle built on conditional clues.

9th–10th grade

50 minutes · RI.9-10.8, MP.3
Valid or Fallacious? Auditing a Detective's Reasoning
High schoolers audit an overconfident detective's case report, label each claim as valid or fallacious, and rewrite the weakest link into a sound argument.

11th–12th grade

Two 50-minute periods · W.11-12.1, MP.3
Design a Fair Mystery: Writing a Logic Puzzle with One Solution
Seniors and juniors repair a puzzle with too many solutions, build their own uniquely solvable mystery, and write a formal argument proving there is only one answer.