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Question 3 - Figure it out (Page 265) - Amazing Grid - Chapter 10 Class 6 - The other side of Zero (Ganita Prakash)
Last updated at October 10, 2025 by Teachoo
Class 6 (Ganita Prakash & Old NCERT)
Chapter 10 Class 6 - The other side of Zero (Ganita Prakash)
- Bela's Building of Fun
- Integers - Definition
- Addition of Integers
- Inverse of an Integer
- Comparing Integers
- Figure it out - Page 247
- Subtraction of Integers
- Adding and Subtracting Larger Numbers
- Adding and Subtracting Integers using Number line
- Figure it out - Page 253, 254
- Using the unmarked number line to add and subtract
- Token Model
- Figure it out - Page 259
- Credit and Debit
- Geographical cross sections
- Temperature
- Hollow Integer Grid
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Amazing Grid
- Figure it out - Page 265, 266
Transcript
Question 3 - Figure it out (Page 265) What could be so special about these grids? Is the magic in the numbers or the way they are arranged or both? Can you make more such grids?The special property of these grids is in the way the numbers are arranged. It's a mathematical trick. These grids are constructed based on a hidden set of "row numbers" and "column numbers.” Each number in the grid is the sum of its hidden row number and hidden column number. Because you always pick one number from each row and each column, the final sum is always the total of all the hidden row numbers plus all the hidden column numbers, which is always the same. Yes, you can make more such grids! Here’s a simple way:
