NCERT Book Class 6 Maths Chapter 6 Integers

Integers

Chapter 6
6.1 Introduction
Sunita’s mother has 8 bananas. Sunita has to
go for a picnic with her friends. She wants to
carry 10 bananas with her. Can her mother
give 10 bananas to her? She does not have
enough, so she borrows 2 bananas from her
neighbour to be returned later. After giving
10 bananas to Sunita, how many bananas are
left with her mother? Can we say that she has
zero bananas? She has no bananas with her,
but has to return two to her neighbour. So
when she gets some more bananas, say 6, she
will return 2 and be left with 4 only.
Ronald goes to the market to purchase a pen. He has only ` 12 with him but
the pen costs ` 15. The shopkeeper writes ` 3 as due amount from him. He
writes ` 3 in his diary to remember Ronald’s debit. But how would he remember
whether ` 3 has to be given or has to be taken from Ronald? Can he express this
debit by some colour or sign?
Ruchika and Salma are playing a game using a number strip which is
marked from 0 to 25 at equal intervals.

To begin with, both of them placed a coloured token at the zero mark. Two
coloured dice are placed in a bag and are taken out by them one by one. If the
die is red in colour, the token is moved forward as per the number shown on
throwing this die. If it is blue, the token is moved backward as per the number