## Puzzle 66: Fifteen

Nine counters marked with the digits 1 to 9 are placed on the table. Two players alternately take one counter from the table. The winner is the first player to obtain, amongst his or her counters, three with the sum of exactly 15. What are some strategies for winning?

Extension: What childhood game does this connect with? How is it connected?

Extension: What childhood game does this connect with? How is it connected?