Once your students get a handle on this mnemonic device, they're ready to rock and roll. Kick off your lesson with a teacher-created song, Order of Operations (1:49), by Mrs. Wagstaff. Then choose expressions with just the right degree of difficulty at Order of Operations: PEMDAS Worksheets from Math Worksheets 4 Kids.
After they've learned the order of operations, you can challenge your students any day (or every day) to form as many equations as possible using the date. For example:
C'mon! It's time to play with some numbers!