Logic grid puzzles
Three children, pets or robots each have one thing, such as a hat, a kite, a bowl or a numbered boat. Two or three clues say who has what: 'Mia's kite is not red', 'The green ball belongs to the cat', 'Leo's boat has a bigger number than Sam's'. The student taps the right thing for each one.
Every puzzle has exactly one answer and needs every clue. The working fills a 3 by 3 grid of ticks and crosses one clue at a time, then finishes it off: once two things are crossed out for someone, the third must be theirs.
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What changes each time
- Children, pets, or robots and clowns named after colours
- Things that differ by colour, by the animal on them, or by number
- Clues with not, or, belongs to, bigger or smaller, odd or even
More patterns, sequences and logic practice
- Skip counting (Grade 1)
- Repeating patterns (Grade 1)
- Hundred chart: 10 more and 10 less (Grade 1)
- Number sequences (Grade 2)
- Number machines (Grade 2)
- Multiples on a hundred chart (Grade 3)
- Ordering from clues (logic) (Grade 3)
- How many to be sure? (logic) (Grade 3)
- Truth-tellers and fibbers (logic) (Grade 3)
- Take-away game (logic) (Grade 4)
- Cook it faster (Grade 5)
- Growing patterns (Grade 4)
- Doubling every day (Grade 4)
- Bigger start or bigger raise? (Grade 4)