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Question 1 - Page 38 - A Magic Grid of Integers - Chapter 2 Class 7 - Operations with Integers (Ganita Prakash II)
Last updated at January 21, 2026 by Teachoo
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 2 Class 7 - Operations with Integers (Ganita Prakash II)
- Quick Recap on Intergers
- Carrom Coin Integers
- Token Model for Adding and Subtracting Integers
- Multiplication of Integers
- Patterns in Integer Multiplication
- Brahmagupta’s Rules for Multiplication and Division of Integers
-
A Magic Grid of Integers
- Division of Integers
- Figure it out - Page 39
- Integer Expressions - Properties and Pattern
- Figure it out - Page 42, 43, 44
Transcript
Question 1 - Page 38 Try again , and choose different numbers this time. What product did you get? Was it different from the first time? Try a few more times with different numbers! Let’s try again Let’s do this Now, First we chose 30, as black circle Then, we chose –28, as blue circle Then, we chose –4, as red circle Then, we only had –9 left. So, we chose –9, as purple circle Thus, Multiplication of numbers circled = 30 × –28 × –4 × –9 Since odd number of negative sign, answer is negative = –30 × 28 × 4 × 9 = –30,240 So, the product is the same
