STEM Excellence Series: Empowering the Next Generation

OPERATION

Operation

Definition Of Operation

An activity or a mathematical process applied to solve a problem is called an Operation.

More About Operation

Addition, subtraction, multiplication, and division are the four basic operations in mathematics.

Example of Opposite Angles

If a store sold 24 baseball caps on Saturday and 56 on Sunday, then we will have to apply 'addition' to find the total number of caps sold in two days.

Video Examples: Operation

Solved Example on Operation

Ques: A basket contains 95 apples. The apples are to be shared equally among 5 classes. Which operation helps you find the number of apples each class gets?

Choices:

A. division
B. multiplication
C. addition
D. subtraction
Correct Answer: A

Solution:

Step 1: Number of apples each class gets = Number of apples in the basket ÷ Number of classes.
Step 2: Number of apples each class gets = 95 ÷ 5.
Step 3: So, 'division' is the appropriate operation that is used to find the number of apples each class gets.

Quick Summary

  • Operations are actions or procedures performed on numbers.
  • The four basic operations are addition, subtraction, multiplication, and division.
  • Operations help solve mathematical problems.
\[ a \oplus b = c \]

⚠️ Common Mistakes

  • Confusing subtraction and division order.
  • Incorrectly applying the order of operations (PEMDAS/BODMAS).

🌍 Real-World Uses

  • Calculating the total cost of items at a grocery store checkout using addition.
  • Dividing a pizza equally among a group of friends to determine each person's share.
  • Determining the change received after purchasing an item using subtraction.

📋 Standards Alignment

  • CCSS.MATH.CONTENT.3.OA.A.1
  • CCSS.MATH.CONTENT.4.OA.A.1

🔗 Related Links

🍎 Teacher Insights

Use real-world examples to illustrate the application of each operation. Emphasize the relationship between addition/subtraction and multiplication/division.

🎓 Prerequisites

  • Basic counting
  • Number recognition

Check Your Knowledge

Q1: What operation is used to find the total of two numbers?

Q2: Sharing equally among groups involves which operation?

Frequently Asked Questions

Q: What are the four basic mathematical operations?
A: Addition, subtraction, multiplication, and division.

Q: Why is it important to understand operations?
A: Understanding operations is crucial for solving mathematical problems and performing calculations accurately.

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