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Kidorizon · Grades 9–12 · free printable · kidorizon.com
Logic Grids · Answer Key
Check the answers together. If an answer is different from yours, talk about how each of you got there. Both ways of thinking are worth hearing.
1. Who does tennis?
- Gus does soccer or tennis.
- Ava does chess or judo.
- Ava does chess or swimming.
- Sam does tennis or chess.
- Ben does not do swimming.
chess soccer tennis swimming judo Leo Gus Ben Sam Ava - Choice A: Sam ← answer
- Choice B: Gus
- Choice C: Leo
- Choice D: Ava
Answer: A. Mark each clue in the grid with ✗ for "no". When a row or column has only one empty box left, that box must be ✓. The full answer: Leo: swimming, Gus: soccer, Ben: judo, Sam: tennis, Ava: chess.
2. Who does chess?
- Rosa does chess or soccer.
- Fatima does not do judo.
- Priya does soccer or swimming.
- Sam does not do tennis.
- Fatima does soccer or judo.
soccer swimming chess judo tennis Priya Fatima Rosa Sam Jada - Choice A: Priya
- Choice B: Rosa ← answer
- Choice C: Sam
- Choice D: Fatima
Answer: B. Mark each clue in the grid with ✗ for "no". When a row or column has only one empty box left, that box must be ✓. The full answer: Priya: swimming, Fatima: soccer, Rosa: chess, Sam: judo, Jada: tennis.
3. Who has the bird?
- Ben has the rabbit or the bird.
- Ben has the bird or the dog.
- Dev does not have the dog.
- Hana has the bird or the cat.
- Ivan does not have the dog.
- Ivan does not have the fish.
bird fish cat dog rabbit Ivan Hana Ben Dev Eli - Choice A: Hana
- Choice B: Ivan
- Choice C: Ben ← answer
- Choice D: Eli
Answer: C. Mark each clue in the grid with ✗ for "no". When a row or column has only one empty box left, that box must be ✓. The full answer: Ivan: rabbit, Hana: cat, Ben: bird, Dev: fish, Eli: dog.
4. Who has the fish?
- Rosa does not have the rabbit.
- Omar has the dog or the fish.
- Rosa has the rabbit or the dog.
- Leo has the dog or the cat.
- Noor has the bird or the cat.
cat bird dog rabbit fish Omar Noor Jada Leo Rosa - Choice A: Omar ← answer
- Choice B: Noor
- Choice C: Rosa
- Choice D: Jada
Answer: A. Mark each clue in the grid with ✗ for "no". When a row or column has only one empty box left, that box must be ✓. The full answer: Omar: fish, Noor: bird, Jada: rabbit, Leo: cat, Rosa: dog.
Kidorizon practice sheets build thinking skills. They are not a test or assessment. More free activities at kidorizon.com/play