Скачать или смотреть A Story Of Numbers Class 8 Maths Chapter 3 | New NCERT Maths Class 8 | Physics Wallah

Notes and PDF: https://drive.google.com/file/d/1CBNc...

📘 A Story Of Numbers | Class 8 Maths | New NCERT Maths Class 8 | Physics Wallah

In this session, we will cover the chapter “A Story of Number” from New NCERT Class 8 Mathematics in a simple and easy-to-understand manner. This lesson will take you through the origin of numbers, their types, and how they play an important role in mathematics and daily life.

👉 What you’ll learn:

✅ Origin and evolution of numbers, spread of Indian numerals
✅The Mechanism of Counting – Early counting methods (objects, sounds, symbols, Roman numerals introduction)
✅ Some Early Number Systems – Body parts, tally marks, counting in twos, Roman numerals
✅ The Idea of a Base – Egyptian system (base-10), variations (base-5, base-n), abacus, limitations
✅ Place Value Representation – Mesopotamian (base-60), Mayan (base-20), Chinese rod numerals, Hindu/Indian system (base-10, zero)
✅ Evolution of Ideas in Number Representation – From grouping → landmark numbers → base systems → place value → zero
✅ Summary – Key definitions and importance of Hindu number system

⏱️ Timestamps:

3:39 – History of Numbers
7:15 – Mechanism of Counting
8:53 – Counting with Sticks
10:55 – Sounds Representing Numbers
11:52 – Early Symbol Systems
17:00 – Roman Numerals
18:13 – Landmark Numbers
21:20 – The Hindu–Arabic Advantage
1:00:33 – Egyptian Number System
1:02:15 – Understanding Number Bases
1:32:33 – Place Value System
1:45:07 – Mayan Number System
1:56:19 – Chinese Rod Numerals
1:59:33 – Global Impact of Hindu Numerals
2:00:09 – Evolution of Number Representation

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