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5th grade math · Unit 11: Expressions and equations

Order of operations

What this lesson shows

62 − 8 × 4 + 3 − (18 ÷ 9): parentheses, then × and ÷ left to right, then + and − left to right.

The worked example

The lesson works this one step by step: 62 − 8 × 4 + 3 − (18 ÷ 9). Then your kid tries one like it on paper.

The steps

  1. Parentheses first
  2. × and ÷, left to right
  3. + and −, left to right

Helping at home

Work one operation at a time, on a new line. Parentheses first. Then multiply and divide, left to right. Then add and subtract, left to right.

If your kid gets stuck

Parentheses, then × and ÷, then + and −.

Watch it with Lux

With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.

See how Lux works

Standards

  • Common Core 5.OA.A.1
    Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
Matches standards in 50 statesSee each state's code

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