Better than drill sheets! Students first solve the puzzle at the top. Then, they solve 10 order of operations puzzles using that key. Each of the 8 puzzles include 10 problems (total 80 problems) and increases in difficulty Great to use as a center, for homework, small groups, or even math warm ups.Cards get harder as puzzle number increases: so, this is great for differentiation. Other Similar Resources Include:Video Game Word Problems Gr 2-3Pokemon Add, Sub Gr 3-4Mixed Operations Puzzles Gr 3