Beginner · 9 min
Order of operations
Evaluate expressions in the right order.
Multiply before adding
Calculate multiplication and division before addition and subtraction. Work from left to right when operations have the same priority.
Worked example
3 + 4 × 5 = 3 + 20 = 23
Use brackets first
Brackets group a calculation that must be completed before the surrounding operations.
Worked example
(3 + 4) × 5 = 7 × 5 = 35
Try it on paper
- Write down each step before entering your answer.
- Use the explanation to check your method, then try the next question.