Grades 2–3
First Logic Grid Puzzles
Two small 3 by 3 logic grids with two clues each: the perfect first logic puzzle.
Classroom activity · Logic puzzles and brain teasers
Logic Grid: Space Camp
Two 4 by 4 logic grids at space camp: which rocket each kid built and which planet they visited.
- Grade level
- Grades 4–5
- Time
- About 25 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Logical reasoning, Problem solving, Persistence, Explaining thinking
What kids do
“Read the clues. Put an X in a box when the answer is no, and an O when it is yes. Each one has just one, and no two share.”
Printed on the sheet:
- Puzzle 1: Who built which rocket?
- 1. Nova’s rocket is not red or blue.
- 2. Orion and Pax did not build the silver rocket.
- 3. Quill built the green or the red rocket.
- 4. Orion built the blue rocket.
- 5. Quill did not build the green rocket.
- Puzzle 2: Who visited which planet?
- 1. Rae went to a planet with rings.
Words on this sheet
redblueCluesgreensilverNovaOrionPaxQuillMarsRaeSolVenusSaturnNeptuneTexUma
Teacher tip
Have kids read all the clues once before they start.
How to use it
- Let kids work with a partner and explain their thinking.
- Start with an easier puzzle before the harder ones.
- Let kids work with a partner so they talk through their thinking.
Watch for
Frustration on hard puzzles. Give one clue at a time as a hint.
Talk about it
- How did you know you were right?
- What would you change to make it harder?
Take it further
Post a puzzle of the week on the board.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More logic puzzles and brain teasers
Grades 2–3
Mini Sudoku Puzzles
Four 4 by 4 sudoku puzzles with the numbers 1 to 4. Each one has exactly one answer.
Grades 3–5
Brain Teaser Riddles
Ten classic brain teasers like “What gets wetter the more it dries?” Great for morning meeting.
Grades 3–5
Mystery Number Riddles
Eight “Who am I?” number riddles about digits, odd and even, multiples and square numbers.
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