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![[Maths] What is the 100th odd number? - [Class 7 Ganita Prakash] - Parity of Expressions](https://cdn.teachoo.com/3b2eb26a-a7c1-4b8c-96a2-b8c9db4b2992/slide62.jpg)
Question 7 - Page 132 - Parity of Expressions - Chapter 6 Class 7 - Number Play - Ganita Prakash
Last updated at October 16, 2025 by Teachoo
Parity of Expressions
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
- 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 7 - Page 132 What is the 100th odd number? Our expression for odd numbers 2n – 1 where n = 1, 2, 3, 4,.. Thus, 100th odd number = 2 × 100 – 1 = 200 – 1 = 199
