Happy birthday! In this puzzle, you must find the maximum number of friends that can be present at the birthday party. And the only clue you have is a bit strange…
This puzzle juggles calendar dates and addition. Blow the candles and wish for the solution!
- Your students can use a calendar to solve this puzzle more easily. It will be challenging for third- and fourth-graders, because they must apply a logical reasoning before using arithmetic operations.
- Planning notes