NCERT Class 7 Maths Part 2 Chapter 2 Operations with Integers Extra Questions with Answers

Class 7 Maths Part 2 Chapter 2 Extra Questions with Answers

Q1. What are integers?
Answer: Integers are whole numbers, their negatives, and zero.

Q2. What is the sum of −8 and 5?
Answer: −3

Q3. Find: 12 + (−18).
Answer: −6

Q4. Find: −15 + (−9).
Answer: −24

Q5. Subtract: 9 − (−4).
Answer: 13

Q6. Find: −12 − 8.
Answer: −20

Q7. Multiply: (−7) × 6.
Answer: −42

Q8. Multiply: (−5) × (−8).
Answer: 40

Q9. Divide: (−36) ÷ 6.
Answer: −6

Q10. Divide: (−56) ÷ (−8).
Answer: 7

Q11. What is the product of any integer and zero?
Answer: 0

Q12. What is the additive inverse of −13?
Answer: 13

Q13. What is the multiplicative identity of integers?
Answer: 1

Q14. State the sign of the product of two negative integers.
Answer: Positive

Q15. Why are integers used in daily life?
Answer: Integers are used to represent temperatures, profits and losses, elevations, bank balances, and scores above or below zero.