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NCERT Solutions for Class 8 Maths, Chapter 7 - Cubes and Cube Roots

In the previous chapter, you studied squares and square roots in detail. In NCERT Solutions for Class 8, Chapter 7, you’ll study about cubes and cube roots. A ‘Cube’ is often used in geometry. It is a solid figure having all equal sides. Now, cube number is a number which is a product of the same three numbers. In other words, when a number is multiplied by itself two times, we get the cube of that number. A cube root is the inverse of the cube. The cube root of a number ‘n’ is a number when multiplied thrice, gives the number ‘n’. Contrary to a square root, the cube of a number can be a real number which can be positive, negative, or even zero. Cubes and cube roots have wide applications in the field of carpentry, metallurgy, engineering and more.

Let’s take a look at topics and sub-topics of Class 8 Maths Chapter 7, Cubes and Cube Roots

7.1 Introduction

7.2 Cubes

7.3 Cube Roots

In Class 8 Maths Chapter 7, you will learn -

Section 7.2 - In this section, you’ll learn how to find the cube of a given number. You’ll also observe some really interesting patterns in the table consisting of the cubes of various numbers in a sequence. You’ll also study how to add consecutive odd numbers and prime factors of cubes.

Section 7.3 - In this section, you’ll learn how to find the cube root of a given number, which is nothing but the inverse process of finding the cube. For instance, you’ll be able to find the length of a cube, if its volume is given. Isn’t it interesting?

In this chapter, you are provided with several examples along with their solutions for a clear understanding of Cubes and Cube Roots. To know more about Class 8 Maths Chapter 6 Cubes and Cube Roots, you should explore the exercises below. You can also download the Cubes and Cube Roots Class 8 NCERT Solutions PDF, solved by expert Maths trainers.

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