Question Paper
Class / Subject: Class 8 (ICSE) · Mathematics
Chapter: Chapter 1 — Chapter 1: Rational Numbers
Time Allowed: 32 minutes
Max Marks: 16
1. What is a rational number? [1]
(A) A number written as p/q
(B) Only a whole number
(C) Only a negative number
(D) A number with no fraction form
2. What is the additive identity? [1]
(A) 0
(B) 1
(C) -1
(D) Undefined
3. What is the multiplicative identity? [1]
(A) 1
(B) 0
(C) -1
(D) Undefined
4. What does closure mean for rational numbers? [1]
(A) Operations stay within rational numbers
(B) Numbers become irrational
(C) Numbers disappear
(D) Nothing specific
5. What is 2/3 + 0? [1]
(A) 2/3
(B) 0
(C) 1
(D) 2/3+0 is undefined
6. What is 3/4 × 1? [1]
(A) 3/4
(B) 1
(C) 0
(D) 3/4×1 is undefined
7. Does commutativity apply to rational number addition? [1]
(A) Yes
(B) No
(C) Only sometimes
(D) Never
8. Why learn rational number properties? [1]
(A) To manipulate numbers correctly in problems
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is a rational number? [1]
(A) A number written as p/q
(B) Only a whole number
(C) Only a negative number
(D) A number with no fraction form
10. What is the additive identity? [1]
(A) 0
(B) 1
(C) -1
(D) Undefined
11. What is the multiplicative identity? [1]
(A) 1
(B) 0
(C) -1
(D) Undefined
12. What does closure mean for rational numbers? [1]
(A) Operations stay within rational numbers
(B) Numbers become irrational
(C) Numbers disappear
(D) Nothing specific
13. What is 2/3 + 0? [1]
(A) 2/3
(B) 0
(C) 1
(D) 2/3+0 is undefined
14. What is 3/4 × 1? [1]
(A) 3/4
(B) 1
(C) 0
(D) 3/4×1 is undefined
15. Does commutativity apply to rational number addition? [1]
(A) Yes
(B) No
(C) Only sometimes
(D) Never
16. Why learn rational number properties? [1]
(A) To manipulate numbers correctly in problems
(B) No reason
(C) It's not useful
(D) Only for tests