Grade 6 · Math · Lesson 7

Order of Operations with Integers

When an expression mixes parentheses, exponents, and the four basic operations, mathematicians need to agree on the order so everyone gets the same answer. The rule is called the order of operations, and most students remember it as PEMDAS (or GEMDAS, where G stands for grouping symbols).

What this lesson teaches

1Apply PEMDAS to evaluate integer expressions with parentheses, exponents, and four operations
2Identify the correct next step in a partially evaluated expression
3Explain why multiplication and division share a level and work left to right
4Avoid the common error of adding before multiplying

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