Class 8 - Cubes and Cube Roots Worksheet 1
1. The cube of 0.5 is 0.0125. Mark True / False.
a) True b) False
2. The cube of a two-digit number cannot be a three digit. Mark True / False.
a) True b) False
3. Cube of any even number is odd. Mark True / False.
a) True b) False
4. Cube of an even number is even. Mark True / False.
a) True b) False
5. A perfect cube does not end with 0. Mark True / False.
a) False b) True
6. 99 is a perfect cube. Mark True / False.
a) True b) False
7. Cube roots of 27 are + 3 and −3. Mark True / False.
a) True b) False
8. There is no cube root of a negative integer. Mark True / False.
a) True b) False
9. Finding cube root is the inverse operation of finding cube. Mark True / False.
a) True b) False
10. ∛ 27 + 64 = ∛ 27 + ∛ 64 . Mark True / False.
a) True b) False
11. Write the cube of first three multiples of 2.
a) 8, 64, 216 b) 2, 6, 8
c) 2, 4, 6 d) 4, 36, 64
12. Three numbers are in the ratio 1:2:3 and the sum of their cubes are 7,776. Find the number.
a) 2, 3, 4 b) 6, 12, 18
c) 10, 15, 20 d) 7, 14, 21
13. Find the length of each side of cube, if its volume is 1,331 cm3.
a) 21 cm b) 31 cm
c) 51 cm d) 11 cm
14. Difference of two perfect cubes is 665.If the cube root of smaller of the two numbers is 4, then find the cube root of the larger number.
a) 8 b) 9
c) 6 d) 11
15. Evaluate ∛ 8 + ∛ 0.027 + ∛ 0.064
a) 2.7 b) 3.6
c) 2.5 d) 2.04
16. Evaluate {32 + √ 142 }3.
a) 378 b) 126
c) 12,167 d) 13,782
17. Evaluate ∛ (-32768) × 21952 .
a) 896 b) −126
c) −698 d) −256
18. The smallest number by which 576 should be multiplied to make it a perfect cube is _____.
a) 9 b) 3
c) 6 d) 18
19. The smallest number by which 26,136 should be multiplied to make it perfect cube is _____.
a) 11 b) 7
c) 77 d) 10
20. Divide the number 4374 by smallest number so that the quotient is a perfect cube. Also find the cube root of quotient.
a) 12, 6 b) 4, 8
c) 12, 36 d) 6, 9
If you want to download the above worksheet, please click below link.
Cubes and Cube Roots Worksheet-1Download the pdf
Class-8 Cubes And Cube Roots Worksheets
Cubes And Cube Roots Worksheet - 1
Cubes And Cube Roots Worksheet - 2
Cubes And Cube Roots Worksheet - 3
Answer Sheet
Square-And-Squareroot-AnswerDownload the pdf
Copyright © 2024 LetsPlayMaths.com. All Rights Reserved.
Email: feedback@letsplaymaths.com