Exercise 6.2
1.Put appropriate symbol > or < in the space given between the two integers.
(i) -1
(ii) -3
(iii) -10
(iv) 0
(v) -100
(vi) 0
2.Write the following integers in increasing and decreasing order:
(i) -7, 5, -3
Increasing order:
Decreasing order:
(ii) -1, 3, 0
Increasing order:
Decreasing order:
(iii) 1, 3, -6
Increasing order:
Decreasing order:
(iv) -5, -3, -1
Increasing order:
Decreasing order:
3.Write True or False, correct those that are false:
(i) Zero is on the right of -3
(ii) -12 and +12 represent on the number line the same integer
(correct: -12 and +12 are
(iii) Every positive integer is greater than zero
(iv) -5 < 8
(v) (-100) > (+100)
(correct: -100 is
(vi) -1 < -8
(correct: -1 is
Find all integers which lie between the given two integers. Also represent them on number line:
(i) -1 and 1 (ii) -5 and 0 (iii) -6 and -8 (iv) 0 and -3
i) -1 and 1
Answer:
-1,
ii) -5 and 0
Answer:
-5,
iii) -6 and -8
Answer:
-8,
iv) 0 and -3
Answer:
-3,
The temperature recorded in Shimla is – 4°C and in Kufri is – 6°C on the same day. Which place is colder on that day? How?
Answer:
The lowest temperature recorded at Kufri is
Therefore