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Cube Root
Last updated at July 30, 2025 by Teachoo
Class 8 (Ganita Prakash & Old NCERT)
Chapter 1 Class 8 - A Square and a Cube (Ganita Prakash)
- Introduction
- Square Numbers
- Perfect Squares - and its Properties
- Perfect Squares - and its Patterns
- Square Root
- Smallest number multiply or divide to get perfect square
- Estimating Square Root
- Figure it out - Page 10, 11
- Cubic Numbers
- Perfect Cubes - and its Properties
- Perfect Cubes - and its Patterns
-
Cube Root
- Smallest number multiply or divide to get perfect cube
- A pinch of History
- Figure it out - Page 16, 17
Transcript
Cube root Just like subtraction is the opposite of addition, Square root is the opposite of squaring Number = 2 Cube of number = 23 = 8 โด Cube root of 8 = 3 We write โ(๐&๐)=๐ Symbol of Cube root Cube root of 8 = โ8 It is called cube root of 8 Cube Roots Examples 13 = 1 23 = 8 33 = 27 43 = 64 53 = 125 63 = 216 73 = 343 83 = 512 93 = 729 103 = 1000 โ1 = 1 โ8 = 2 โ27 = 3 โ64 = 4 โ125 = 5 โ216 = 6 โ343 = 7 โ512 = โ729 = 1 โ1000 = 1
