Question Paper
Class / Subject: Class 8 (ICSE) · Mathematics
Chapter: Chapter 13 — Chapter 13: Factorisation
Time Allowed: 32 minutes
Max Marks: 16
1. What does factorisation mean? [1]
(A) Expressing an expression as a product of factors
(B) Expanding an expression
(C) Adding terms together
(D) Nothing specific
2. What is the common factor method? [1]
(A) Finding the GCF and factoring it out
(B) Multiplying all terms
(C) Adding all terms
(D) Ignoring common factors
3. Factorise 6x+9. [1]
(A) 3(2x+3)
(B) 6(x+9)
(C) 9(x+6)
(D) 3x+3
4. What identity helps factorise a²-b²? [1]
(A) (a+b)(a-b)
(B) (a+b)²
(C) (a-b)²
(D) a+b
5. Factorise x²+5x+6. [1]
(A) (x+2)(x+3)
(B) (x+1)(x+6)
(C) (x+5)(x+6)
(D) (x-2)(x-3)
6. What two numbers multiply to 6 and add to 5? [1]
(A) 2 and 3
(B) 1 and 6
(C) 5 and 1
(D) 2 and 4
7. Why is factorisation useful? [1]
(A) For solving equations and simplifying fractions
(B) No reason
(C) It's not useful
(D) Only for tests
8. Is factorisation the reverse of expansion? [1]
(A) Yes
(B) No, they are the same process
(C) They are unrelated
(D) Factorisation doesn't exist
9. What does factorisation mean? [1]
(A) Expressing an expression as a product of factors
(B) Expanding an expression
(C) Adding terms together
(D) Nothing specific
10. What is the common factor method? [1]
(A) Finding the GCF and factoring it out
(B) Multiplying all terms
(C) Adding all terms
(D) Ignoring common factors
11. Factorise 6x+9. [1]
(A) 3(2x+3)
(B) 6(x+9)
(C) 9(x+6)
(D) 3x+3
12. What identity helps factorise a²-b²? [1]
(A) (a+b)(a-b)
(B) (a+b)²
(C) (a-b)²
(D) a+b
13. Factorise x²+5x+6. [1]
(A) (x+2)(x+3)
(B) (x+1)(x+6)
(C) (x+5)(x+6)
(D) (x-2)(x-3)
14. What two numbers multiply to 6 and add to 5? [1]
(A) 2 and 3
(B) 1 and 6
(C) 5 and 1
(D) 2 and 4
15. Why is factorisation useful? [1]
(A) For solving equations and simplifying fractions
(B) No reason
(C) It's not useful
(D) Only for tests
16. Is factorisation the reverse of expansion? [1]
(A) Yes
(B) No, they are the same process
(C) They are unrelated
(D) Factorisation doesn't exist