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Question 1 - Figure it out - Page 136 - 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
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Figure it out - Page 136
- 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 1 How many different magic squares can be made using the numbers 1 – 9? Our rules for making magic squares are Middle position is 5 Four corner positions must be filled by even numbers (2, 4, 6, 8) Four middle positions must be filled by odd numbers (1, 3, 7, 9) One such magic square is Every other pattern is a rotation or reflection of the previous pattern Let’s look at all of them This is our 1st magic square Mirror image of 1st magic square Exchanging 1st and 3rd row of 1st magic square Mirror image of previous magic square Rotating our 1st magic square Mirror image of previous magic square Exchanging 1st and 3rd row of above magic square Mirror image of previous magic square
