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Mathematics > Fractions and Decimals > Order of Operations

Order of Operations

➕➖✖️➗ Have you ever seen a math problem with many operations like addition, subtraction, multiplication, and division all in one expression? Example: 8 + 3 × 2 Should we add first or multiply first? 🤔 To solve problems correctly, mathematicians follow a special rule called the order of operations.

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What Is the Order of Operations? 📚

The order of operations is the rule that tells us which operation to solve first when a math problem has more than one operation.

This helps everyone get the same correct answer.

A common way to remember the order is PEMDAS.

    The PEMDAS Rule 🧠

    PEMDAS stands for:

      Remember: ● Multiplication and division are solved from left to right. ● Addition and subtraction are also solved from left to right.

      LetterMeaning
      PParentheses ( )
      EExponents
      MMultiplication
      DDivision
      AAddition
      SSubtraction
      Step-by-Step Example 🔍

      Example 1

      8 + 3 × 2

      Step 1: Multiply first

      3 × 2 = 6

      Step 2: Add

      8 + 6 = 14

      Final Answer: 14

      Example 2

      (6 + 4) × 3

      Step 1: Solve inside parentheses

      6 + 4 = 10

      Step 2: Multiply

      10 × 3 = 30

      Final Answer: 30

      Example 3

      20 − 8 ÷ 2

      Step 1: Divide

      8 ÷ 2 = 4

      Step 2: Subtract

      20 − 4 = 16

      Final Answer: 16

        Real-Life Examples 🌎

        Order of operations helps in many real situations.

        Shopping

        If you buy 3 toys at $5 each plus $2 for a bag, math must be done in the correct order.

        Building and Engineering

        Engineers solve complex formulas that require correct operation order.

        Computer Programming

        Computers follow the order of operations when calculating numbers.

          Let’s Practice! 🎯

          Problem 1

          5 + 4 × 2

          Step 1: Multiply

          4 × 2 = 8

          Step 2: Add

          5 + 8 = 13

          Problem 2

          (7 + 3) × 2

          Step 1: Parentheses

          7 + 3 = 10

          Step 2: Multiply

          10 × 2 = 20

          Problem 3

          18 ÷ 3 + 5

          Step 1: Divide

          18 ÷ 3 = 6

          Step 2: Add

          6 + 5 = 11

            Why Learning the Order of Operations Is Important 🌟

            Learning the order of operations helps children:

            ● Solve multi-step math problems

            ● Avoid calculation mistakes

            ● Understand algebra and equations

            ● Prepare for advanced mathematics

              Conclusion

              The order of operations helps us solve math problems with many steps in the correct order. By remembering PEMDAS, kids can confidently solve expressions with addition, subtraction, multiplication, and division.

                Prime and Composite NumbersRatios and Proportions

                References

                • National Council of Teachers of Mathematics. (2000). Principles and Standards for School Mathematics.
                • National Association for the Education of Young Children. (2020). Developmentally Appropriate Practice in Early Childhood Programs.
                • UNESCO. (2016). Early Childhood Care and Education Learning Framework.