Grades 3–4
Logic Grid: The Pet Show
A 3 by 3 and a 4 by 4 logic grid about a pet show: who brought which pet, and which pet won which prize.
Classroom activity · Logic puzzles and brain teasers
Odd One Out Brain Teasers
Eight rows of four: circle the one that does not belong and explain why. Words, numbers and shapes.
- 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
“One thing in each row does not belong. Circle it, then write why.”
Words on this sheet
applebananacarrotgrapesquarecirclewhalesharkdolphinsealMondayJuneFridaySundayrunjumphappyswimpennynickeldollar billdime
Teacher tip
Accept any answer kids can explain. Some rows have more than one good answer.
How to use it
- Model the first puzzle out loud, thinking through each clue.
- Give pencils with erasers. Logic puzzles need lots of fixing.
- Keep a few copies in an early finisher bin so they are always ready.
Watch for
Kids who guess instead of reasoning. Ask them to explain each answer.
Talk about it
- Which clue helped you the most?
- What strategy did you use?
Take it further
Have kids write their own puzzle for a classmate.
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
Shape Math Puzzles
Four puzzles where shapes stand for numbers: if star + star = 10, what is a star? A first taste of algebra.
Grades 4–5
Greater-Than Logic Squares
Four 4 by 4 number puzzles with greater-than and less-than signs between the squares. Each has one answer.
Grades 2–3
Logic Grid: Lunch Time
Two 3 by 3 logic grids about lunch: who packed which snack, and who drank which drink.
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