Get the Digital Version HERE. This math mystery is a fun way for 3rd graders to solve word problems in a unique way. Kids start reading at the beginning of the book, solve the problems, and go where the book tells them to go! A wrong answer will send them to a 'stopper' that will tell them to go back to where they were working, and TRY AGAIN! This mystery includes these skills: *Elapsed time *using parentheses to solve multi-step problems *Perimeter *Choosing the correct unit of measure *Sharin