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Small Squares in Grids (Parity in Multiplication)
Last updated at October 16, 2025 by Teachoo
Small Squares in Grids (Parity in Multiplication)
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
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Small Squares in Grids (Parity in Multiplication)
- Parity of Expressions
- Some Explorations in Grids
- Magic Square
- 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
Small Squares in Grids (Parity in Multiplication) Basically it takes about a square grid In a 3 × 3 grid There are 9 small squares, which is an odd number. In a 3 × 4 grid There are 12 small squares, which is an even number. Let’s rules for finding parity when multiplying numbers They are even × even = even odd × odd = odd even × odd = even 2 × 4 = 8 (even) 3 × 5 = 15 (odd) 2 × 5 = 10 (even)
