This amazing math mystery will have your 4th grade students eager to review addition and subtraction (4.NBT.4).
Clues will guide them to the location of a missing pet mouse. Then students will use a cipher to decode a secret math message.
This is great for review or homework!
The Case of the Missing Math Mouse is the 2nd in a series of 4th grade math mysteries, but each mystery has been designed to work as a stand alone activity.