Order of Operations - Parenthesis, Addition, Subtraction, Multiplication & Division

Objective: I know how to perform mixed operations with parenthesis, addition, subtraction, multiplication and division.

If the calculations involve a combination of parenthesis, addition, subtraction, multiplication and division then

Step 1: First, perform the operations within the parenthesis

Step 2: Then, perform multiplication and division from left to right.

Step 3: Next, perform addition and subtraction from left to right.

Example:

Calculate 9 × (12 – 2) ÷ 5 + 1 =

Solution:

9 × (12 – 2) ÷ 5 + 1 (perform within parenthesis)

= 9 × 10 ÷ 5 + 1(perform multiplication)

= 90 ÷ 5 + 1(perform subtraction)

= 18 + 1 (perform addition)

= 19

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