1. Peter's birthday is in April.
2. Eric is 7.
3. Arnold's birthday is in September.
4. Peter is 8.
- From clue 1, Peter's birthday is in April. So, Peter → April.
- From clue 4, Peter is 8. So, Peter → 8 years.
- From clue 2, Eric is 7. So, Eric → 7 years.
- From clue 3, Arnold's birthday is in September. So, Arnold → September.
Now, assign the remaining age (9 years) to Arnold since Eric is 7 and Peter is 8.
So, Arnold → 9 years.
Now, assign the remaining birthday (January) to Eric since Peter is in April and Arnold is in September.
So, Eric → January.
Final assignments:
- Arnold: 9 years, September
- Eric: 7 years, January
- Peter: 8 years, April
Parent Tip: Review the logic above to help your child master the concept of printable logic grid puzzles for middle school.
