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Question 2 - Page 137 - Generalising 3 × 3 Magic Square - Chapter 6 Class 7 - Number Play - Ganita Prakash
Last updated at October 17, 2025 by Teachoo
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 6 Class 7 - Number Play - Ganita Prakash
- Numbers can Tell us Things, Supercells
- Parity
- Figure it out - Page 131
- Small Squares in Grids (Parity in Multiplication)
- Parity of Expressions
- Some Explorations in Grids
- Magic Square
- Figure it out - Page 136
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Generalising 3 × 3 Magic Square
- First ever 4 × 4 Magic Square
- Magic Squares in History and Culture
- Virahāṅka Fibonacci Numbers
- Digits in Disguise
- Figure it out - Page 143, 144
Transcript
Question 2 - Page 137 What is the expression obtained by adding the 3 terms of any row, column or diagonal? Our generalised magic square is Adding any 3 terms of any row, column or diagonal will give us 3m For example Sum in the middle row: Generalised Magic Square (m + 2) + m + (m – 2) = 3m For the magic square with center 25, the magic sum is 3 × 25 = 75
