10 no prep addition and subtraction mix math problems. Both single and double digit numbers are included. Problems require students to compose, decompose, regroup. Two problems per page with first page providing directions and place for name and date if printed. Editable file provided in Word. It can be edited with new names, numbers, objects, etc. You can also just give to students as is. Five problems are addition and five are subtraction.All ten problems can be given or you give only s