Question Paper
Class / Subject: Class 8 (ICSE) · Mathematics
Chapter: Chapter 4 — Chapter 4: Cubes and Cube Roots
Time Allowed: 32 minutes
Max Marks: 16
1. What is 3³? [1]
(A) 27
(B) 9
(C) 3
(D) 33
2. What is ∛27? [1]
(A) 3
(B) 27
(C) 9
(D) 2.7
3. What is 2³? [1]
(A) 8
(B) 6
(C) 2
(D) 23
4. What is ∛64? [1]
(A) 4
(B) 64
(C) 8
(D) 16
5. How do we find cube roots using factorisation? [1]
(A) Group factors in sets of three
(B) Group factors in sets of two
(C) Group factors in sets of four
(D) Ignore factorisation
6. What is the cube root the inverse of? [1]
(A) Cubing
(B) Squaring
(C) Adding
(D) Dividing
7. Why are cubes and cube roots useful? [1]
(A) For solving volume problems
(B) No reason
(C) They're not useful
(D) Only for tests
8. What is 5³? [1]
(A) 125
(B) 15
(C) 5
(D) 53
9. What is 3³? [1]
(A) 27
(B) 9
(C) 3
(D) 33
10. What is ∛27? [1]
(A) 3
(B) 27
(C) 9
(D) 2.7
11. What is 2³? [1]
(A) 8
(B) 6
(C) 2
(D) 23
12. What is ∛64? [1]
(A) 4
(B) 64
(C) 8
(D) 16
13. How do we find cube roots using factorisation? [1]
(A) Group factors in sets of three
(B) Group factors in sets of two
(C) Group factors in sets of four
(D) Ignore factorisation
14. What is the cube root the inverse of? [1]
(A) Cubing
(B) Squaring
(C) Adding
(D) Dividing
15. Why are cubes and cube roots useful? [1]
(A) For solving volume problems
(B) No reason
(C) They're not useful
(D) Only for tests
16. What is 5³? [1]
(A) 125
(B) 15
(C) 5
(D) 53