NCERT Class 6 Mathematics Ganita Prakash (Sanskrit): Chapter 5 — मौलिक - कालः
This chapter, 'Common Multiples and Common Factors' from NCERT's Class 6 Mathematics Ganita Prakash (Sanskrit), introduces the concepts of multiples and factors through an engaging game called 'Idli-Bada'. Students learn to identify multiples of given numbers and understand the concept of common multiples. The chapter uses the game to illustrate how numbers that are multiples of both 3 and 5 are called common multiples, leading to the term 'Idli-Bada'. It encourages students to find common multiples for different pairs of numbers and explore their properties. The chapter aims to build a foundational understanding of multiples and factors, crucial for further mathematical concepts in the CBSE curriculum.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 6 |
| Subject | Mathematics |
| Book | Ganita Prakash (Sanskrit) |
| Chapter | Chapter 5 — मौलिक - कालः |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 2 minutes |
| Word count | 387 |
Learning outcomes
- Understand the concept of multiples of a number.
- Identify common multiples of two or more numbers.
- Apply the concept of multiples in real-life scenarios through games.
- Differentiate between multiples of single numbers and common multiples.
Vocabulary
| Word | Meaning |
|---|---|
| गुणितम् | Multiple |
| कारक | Factor |
| सामान्य-गुणकानि | Common Multiples |
| सामान्य-कारकाणि | Common Factors |
| लघुतमगुणक | Least Common Multiple (LCM) |
| बृहत्तमगुणक | Greatest Common Divisor (GCD) - implied contextually |
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Practice questions
- Which numbers would require saying 'Idli' in the game? Answer: Multiples of 3 (e.g., 3, 6, 9, 12, 18...).
- Which numbers would require saying 'Bada' in the game? Answer: Multiples of 5 (e.g., 5, 10, 20...).
- What is the first number for which one would say 'Idli-Bada'? Answer: 15 (as it is a multiple of both 3 and 5).
- List three more numbers that are multiples of both 3 and 5. Answer: 30, 45, 60.
Frequently asked questions
What is the 'Idli-Bada' game about?
It's a game where players count numbers, but say 'Idli' for multiples of 3, 'Bada' for multiples of 5, and 'Idli-Bada' for numbers that are multiples of both 3 and 5.
What are multiples of 3 in the game?
Numbers like 3, 6, 9, 12, 18, etc., for which players say 'Idli'.
What are multiples of 5 in the game?
Numbers like 5, 10, 20, 25, etc., for which players say 'Bada'.
What does 'Idli-Bada' signify in the game?
'Idli-Bada' signifies a number that is a multiple of both 3 and 5.
What is the smallest number for which 'Idli-Bada' is said?
The smallest number is 15.
How does this game relate to mathematics?
It helps understand the concepts of multiples and common multiples in a fun and interactive way.
Related resources
Important topics
Topics covered
NCERT Class 6 Mathematics — Ganita Prakash (Sanskrit) — Chapter 5 — मौलिक - कालः. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.