Question

Write opposites of the following:

a) Gaining a weight of 10 kg. b) Going East

c) A deposit of Rs.100 d) – 40

Q2. Write all integers between:

a) – 6 and 0 b) – 5 and 0

Q3. Use number line and add the integers (– 2) + 8 + (– 4).

Q4. Simplify:

a) 2069 + (– 79) + 29 + (– 49).

b) (– 18) + (– 50) – (– 20) + (– 60) – (+10).

Q5. Arrange the following in descending order:

– 7, 8 5, –10, 9, –14

Q6. a) Subtract (– 5) from (–10).

b) Find the sum of 137 and – 354.

Q7. Sum of two integers is 78 if one of them is – 35. Find the other.

Q8. Subtract – 7 from 3 and 3 from – 7. Are the result same?

Q9. Subtract the sum of 48 and – 37 from – 100.

Q10. Value Based Question:

Ravi and Garv were good friends. Ravi was a poor boy. He was very much in need of a

geometry box. Garv decided to help him. He bought for him a geometry box costing Rs.65

from his pocket money. Ravi was very excited to get the new geometry box and thanked Garv

for his caring nature.

a) Express spending Rs.65 as an integer.

b) Suggest any two ways by which you have helped any of your friends.

Answer 1

1.a loss o weight of 10 kg b. going west