A short thinking challenge for your maths center.
If you are after a longer individual or group challenge for your students then your choice of mystery from the codes and ciphers mystery series is for you. Aimed at challenging able middle school age students.
If you like these puzzles then you might like to try a longer mystery...
Who Pinched the Christmas Pudding?
Who stole Rudolph's nose?
The Vacant vegetable plot
The Jewel Heist
The Puppy Snatcher