FREEBIE Order of Operations Task Cards with QR Codes COMMON CORE ALIGNED 5.OA.1 from A Class Act on TeachersNotebook.com - (5 pages) - This freebie contains 18 task cards for practice in order of operations. 12 cards include QR codes for self-checking. Enjoy! PREP MADE EASY�JUST PRINT, LAMINATE, AND GO! PERFECT FOR MATH ROTATIONS!!