Grades 2–3
Mini Sudoku Puzzles
Four 4 by 4 sudoku puzzles with the numbers 1 to 4. Each one has exactly one answer.
Classroom activity · Logic puzzles and brain teasers
First Logic Grid Puzzles
Two small 3 by 3 logic grids with two clues each: the perfect first logic puzzle.
- Grade level
- Grades 2–3
- Time
- About 20 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 person has just one.”
Printed on the sheet:
- 1. Ben’s pet has no fur.
- 2. Ava’s pet does not bark.
- Puzzle 2: Who plays which sport?
- 1. Fay needs a pool for her sport.
- 2. Dev does not use a racket.
Words on this sheet
CluescatdogfishAvaBenCarasoccerDevtennisEliFay
Teacher tip
Model the first grid out loud, showing how to cross out with an X.
How to use it
- Let kids work with a partner and explain their thinking.
- Start with an easier puzzle before the harder ones.
- Use it as a center, an early finisher choice, an indoor recess activity or a sub day page.
Watch for
Frustration on hard puzzles. Give one clue at a time as a hint.
Talk about it
- Which clue helped you the most?
- What strategy did you use?
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 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.
Grades 4–5
Logic Grid: After-School Clubs
Two 4 by 4 logic grids with five clues and three clues. Kids cross out, then reason out the rest.
Free for teachers
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