Subject specialists have designed NCERT solutions for Maths Class 8 Chapter 7 which includes thorough solutions for reference. These solutions are updated according to the latest CBSE syllabus for 2012-22 and are provided in easy language for understanding. Tips and tricks are also provided.
These solutions are provided so a student can clear his doubts and get help with deep understanding of the concept. Also you can refer them to make the chapter notes and revisions notes. PDF of this can also be downloaded from website.
NCERT Solutions for Class 8 Maths Chapter 7- Cubes and Cube roots Summary
The NCERT solutions covered in this chapter contains the answers for all the questions present in the chapter. The chapter includes two exercises, where, Exercise 7.1 deals with Cubes and Exercise 7.2 deals with Cube roots. In brief you can say-
- Numbers like 1729, 4104, 13832, are known as Hardy – Ramanujan Numbers. They can be expressed as sum of two cubes in two different ways.
- Numbers obtained when a number is multiplied by itself three times are known as cube numbers.
- If in the prime factorisation of any number each factor appears three times, then the number is a perfect cube.
The main topics coming in this chapter are: 7.1 Introduction 7.2 Cubes 7.2.1 Some Interesting Patterns 7.2.2 Smallest multiple that is a perfect cube 7.3 Cube Roots 7.3.1 Cube root through prime factorisation method 7.3.2 Cube root of a cube number
4 Questions (4 Short Answer Questions)
3 Questions (2 Long Answer Questions,1 Short Answer Questions)
NCERT Solutions for Class 8 Maths Chapter 7- Cubes and Cube roots
This chapter helps in finding the cubes and cube roots of different numbers, understanding the difference between cubes and cube roots, and brings fun with some interesting patterns. The chapter also works on understanding the process of finding out the cubes and cube roots of a number using prime factorisation method. The chapter also deals with the method of finding the cube root of a cube number.
This chapter helps in understanding the:
- Find out the Cubes and cubes roots for numbers containing at most 3 digits
- Estimating cube roots and cube roots.
- Learning the process of moving nearer to the required number.
Frequently Asked Questions on NCERT Solutions for this Chapter
What kind of questions are there in these NCERT Solutions?
This chapter deals with multiple choice questions, descriptive type of questions, long answer type questions, short answer type questions, fill in the blanks and daily life examples. At end students can increase their problem solving skills also with time management skills. This will help you to score good marks
Is NCERT Solutions of this Chapter enough to attend all the questions that come in the board exam?
Yes, these NCERT Solutions deals with solutions for all questions given in NCERT Textbook Maths for Class 8. The most of the questions coming in the exams are from these exercises. By studying these concepts, you can achieve good grades.
Is it necessary to learn all the topics provided in NCERT Solutions for Class 8 Maths Chapter 7?
Yes. As these questions seem to be important for exam. These questions are solved by subject matter experts for helping students to crack these exercises easily. These solutions give students knowledge about data handling. Solutions can be downloaded in PDF format on INFINITE LEARN website.
