Mathematics · Class 3
Fun with Give and Take
Learn Fun with Give and Take with notes, examples, and practice questions.
3 sections15–25 min read3 MCQs · 1 examples
Chapter Overview
Compensation keeps the answer balanced: 49 + 26 can become 50 + 25.
Fun with Give and Take deepens mental addition and subtraction through number relationships. Children compensate, split numbers by place value, and solve missing-number equations efficiently.
Mental Strategies
- Break 36 + 27 into 30 + 20 and 6 + 7.
- Add 9 by adding 10 and subtracting 1.
- Subtract 19 by subtracting 20 and adding 1 back.
Missing Values and Checks
- Use the inverse operation to find a missing part.
- In 84 − __ = 39, calculate 84 − 39.
- Check a mental result with place-value addition or subtraction.
Solved Examples
Step-by-step solutions — read each step before checking the final answer.
Use Compensation
Find 58 + 29 mentally.
- 1Change 29 to the friendly number 30.
- 2Calculate 58 + 30 = 88.
- 3Subtract the extra 1: 88 − 1 = 87.
Answer
87
Key Points to Remember
- ✓ Split numbers into useful parts
- ✓ Compensate after changing a number
- ✓ Inverse operations find missing values
Exam Tips
- • Write the adjustment so it is not forgotten
- • Estimate to reject an unreasonable answer
Practice MCQs — Fun with Give and Take
Test your understanding with topic-wise multiple choice questions. Explanations appear after each answer.
Question 1 of 3Score: 0/0
What is 47 + 9?