A complete, classroom-tested Order of Operations lesson that fixes the #1 PEMDAS misconception — that multiplication "beats" division and addition "beats" subtraction. Students learn the tied-operations, left-to-right rule through a "Calculator Court" error-analysis launch, then practice with leveled problems, a self-checking Crack-the-Code maze, and a quiz. Print PDF + editable PowerPoint, all keys included.Stop the "PEMDAS says multiply before divide" mistake for good.This lesson targets the e