NCERT Class 4 Mathematics Math-Mela (Sanskrit): Chapter 5 — विभाजनं मापनं च
This chapter, 'विभाजनं मापनं च' (Division and Measurement) from NCERT's Class 4 Mathematics Math-Mela textbook in Sanskrit, introduces the fundamental concepts of dividing objects into equal parts. It uses a relatable scenario of two sisters, Ikra and Samina, sharing a sheet of paper to illustrate the difference between halves and quarters. The chapter explains that when an object is divided into two equal parts, each part is called a 'half' (अर्ध), represented as 1/2. It encourages students to explore these concepts through practical activities like dividing shapes and paper. The chapter aims to build a strong foundation for understanding fractions and division, crucial for further mathematical learning in the CBSE curriculum.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 4 |
| Subject | Mathematics |
| Book | Math-Mela (Sanskrit) |
| Chapter | Chapter 5 — विभाजनं मापनं च |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 1 minute |
| Word count | 143 |
Learning outcomes
- Understand the concept of dividing an object into equal parts.
- Differentiate between halves and quarters of an object.
- Represent a half using the fraction 1/2.
- Apply division concepts to simple real-life scenarios.
Vocabulary
| Word | Meaning |
|---|---|
| विभाजनं | division |
| मापनं | measurement |
| खण्डः | part/section |
| पूर्णः | complete |
| अर्धभागं | half part |
| चतुर्थांशद्वयम् | two quarters |
| अर्धः | half |
| एकचतुर्थांशः | one quarter |
| समानरूपेण | equally |
| आकृतीः | shapes |
| रञ्जयन्तु | color |
| लिखामः | we write |
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Practice questions
- When an object is divided into two equal parts, what is each part called? Answer: Each part is called a half (अर्ध).
- How is a half represented using a fraction? Answer: A half is represented as 1/2.
- If you divide a cake into two equal pieces for yourself and a friend, what fraction does each person get? Answer: Each person gets a half (1/2) of the cake.
Frequently asked questions
What is the main topic of Chapter 5 in Class 4 Mathematics Math-Mela?
Chapter 5, 'विभाजनं मापनं च', deals with the concepts of division and measurement, focusing on dividing objects into equal parts.
What does 'अर्धः' mean in this chapter?
'अर्धः' means 'half' in Sanskrit, referring to one of two equal parts of an object.
How is a half represented mathematically?
A half is represented by the fraction 1/2.
What is the purpose of the story about Ikra and Samina?
The story illustrates the difference between sharing equally and the concept of halves and quarters in a relatable way.
What skill do students practice in this chapter?
Students practice dividing objects and shapes into equal parts and identifying these parts.
Related resources
Important topics
Topics covered
NCERT Class 4 Mathematics — Math-Mela (Sanskrit) — Chapter 5 — विभाजनं मापनं च. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.