The History of Numbers Class 9 Maths Ganita Manjari Chapter 3 Exercise 3.1 ishango bone lebombo bone

The History of Numbers! Class 9 Maths Ganita Manjari Chapter 3 Exercise 3.1
: Class 9 Maths Chapter 3 | The World of Numbers | Exercise Set 3.1 Solutions | Ganita Manjari
: Class 9 Maths Ch 3 Ex 3.1 Full Solutions | Ganita Manjari | संख्याओ की दुनिया
The History of Numbers! Class 9 Maths Ganita Manjari Chapter 3 Exercise 3.1
Description
Namaste Students! 🙏
In this video, we dive into the NEW NCERT Syllabus (2026-27) for Class 9 Mathematics (Ganita Manjari). We are covering Chapter 3: The World of Numbers, specifically focusing on Exercise Set 3.1.
What you will learn in this video:
How ancient humans counted using pebbles and bones (Lebombo & Ishango bones).
The concept of one-to-one correspondence.
The history of math in ancient India (Lothal trade & big numbers).
Full Step-by-Step Solutions for all 4 questions in Exercise 3.1.

0:00 - Introduction to The World of Numbers
2:15 - Exercise 3.1 Q1 (Lothal Merchant Problem)
5:30 - Exercise 3.1 Q2 (Ishango Bone Prime Numbers)
8:45 - Exercise 3.1 Q3 (Closure Property)
11:20 - Exercise 3.1 Q4 (Finger Joint Counting & Base-12)
#mathematics_girl
#Class9Maths #GanitaManjari #TheWorldOfNumbers #NCERTSolutions #MathematicsGirl #NewSyllabus2026 #MathsInHindi #AncientMathematics #IshangoBone #NumberSystem #Class9thMaths

Видео The History of Numbers Class 9 Maths Ganita Manjari Chapter 3 Exercise 3.1 ishango bone lebombo bone канала mathematics_girl