The document explains the order of operations, known by the acronym PEMDAS: 1) Parentheses, 2) Exponents, 3) Multiplication/Division (from left to right), 4) Addition/Subtraction (from left to right). Following PEMDAS, solve inside parentheses and exponents first before moving left to right with multiplication/division and addition/subtraction. Always show your work and check answers to ensure accuracy.