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Subtraction using Tokens
Last updated at October 9, 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
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Token Model
- Figure it out - Page 259
- Credit and Debit
- Geographical cross sections
- Temperature
- Hollow Integer Grid
- Amazing Grid
- Figure it out - Page 265, 266
Transcript
Subtraction using Tokens This is different from Addition In addition, we make pairs In subtraction, we eliminate tokens Let’s do some examples Subtract (+5) – (+4) We do follow these steps First make +5 using tokens Then remove 4 tokens Remaining is our answer ∴ (+5) – (+4) = (+1) Subtract (–7) – (–5) We do follow these steps First make –7 using tokens Then remove 5 tokens Remaining is our answer ∴ (–7) – (–5) = (–2) Now, let’s do a different question Subtract (+5) – (+6) We do follow these steps First make 5 using tokens Now, we cannot remove 6 tokens from 5 So, we add a pair of positive and negative tokens We can do that because (+1) + (–1) = 0 Now, remove 6 positive tokens Remaining tokens is our answer ∴ (+5) – (+6) = (–1)
