NCERT Solutions for Class 8 Maths Chapter 6

NCERT Solutions for Class 8 Maths Chapter 6 SQUARE AND SQUARE ROOTS Exercise 6.1, Exercise 6.2, Exercise 6.3 and Exercise 6.4 in English Medium as well as Hindi Medium updated for new academic session 2020-21.

Download Prashnavali 6.1, Prashnavali 6.2, Prashnavali 6.3 and Prashnavali 6.4 in Hindi Medium free to download in PDF file. NCERT Solutions 2020-21 are for all the students using NCERT Books in the new academic session 2020-2021. NCERT Solutions for class 8 other subjects are also available in PDF format.

NCERT Solutions for Class 8 Maths Chapter 6

Class:8
Subject:Maths – गणित
Chapter 6:Square and Square Roots

Class 8 Maths Chapter 6 Solutions

Class 8 Maths Chapter 6 Square and Square Roots all exercises question answers in English as well as Hindi Medium or View in Video Format updated for new academic session 2020-21. Download Class 8 Maths App or download कक्षा 8 गणित App for offline use. It works without internet, once downloaded.




Class 8 Maths Exercise 6.1 & 6.2 Solutions in Video

Class 8 Maths Exercise 6.1 Solutions in Video
Class 8 Maths Exercise 6.2 Solutions in Video

Class 8 Maths Exercise 6.3 & 6.4 Solutions in Video

Class 8 Maths Exercise 6.3 Solutions in Video
Class 8 Maths Exercise 6.4 Solutions in Video



Important Terms about Class 8 Maths Chapter 6

What will be the unit digit of the squares of the number 81?

The number 81 contains its unit’s place digit 1. So, square of 1 is 1.
Hence, unit’s digit of square of 81 is 1.

Without adding, find the sum of 1 + 3 + 5 + 7 + 9.

Here, there are five odd numbers.
Therefore square of 5 is 25.
1 + 3 + 5 + 7 + 9 = 5^2 = 25

बिना गणना किए बताएँ कि 153 वास्तव में पूर्ण वर्ग है या नहीं है।

हम जानते हैं कि संख्याओं के वर्गों में इकाई का अंक 0, 1, 4, 5, 6 और 9 होता है।
153 में इकाई का अंक 3 है, अतः यह संख्या पूर्ण वर्ग नहीं है।

बार-बार घटाने की विधि से 100 का वर्गमूल ज्ञात कीजिए।

बार-बार घटाने की विधि से 100 का वर्गमूल:
100 – 1 = 99
99 – 3 = 96
96 – 5 = 91
91 – 7 = 84
84 – 9 = 75
75 – 11 = 64
64 – 13 = 51
51 – 15 = 36
36 – 17 = 19
19 – 19 = 0
संख्या 1 से क्रमागत विषम संख्याओं को 100 में से घटाने पर 10वाँ पद 0 प्राप्त होता है।
इसलिए, 100 का वर्गमूल = 10

In chapter 6 Square and Square Roots, we will find the square roots of different numbers with various methods. Testing a number, whether it is a perfect square or not. Expressing a perfect square number as a sum of odd numbers. Finding the square of a number using a particular identity and finding the Pythagoras triplet when one of the triplet number is given.
There are two methods, one with prime factorization method and other is long division method, to find the square root of a number. In chapter 6, the square root of decimal number using long division method is also given which is very useful tool for further classes also.

Do you know?



किसी भी संख्या के वर्गमूल को ज्ञात करने के कई तरीके होते हैं। सभी तरीकों का अपना अलग महत्त्व है, इसलिए विद्यार्थिओं को सभी तरीके अच्छी तरह से सीखने चाहिए। आने वाली कक्षाओं में भी इसका प्रयोग अक्सर होता है।

NCERT Solutions for Class 8 Maths Chapter 6 SQUARE AND SQUARE ROOTS
NCERT Solutions for Class 8 Maths Chapter 6 SQUARE AND SQUARE ROOTS exercise 6.1
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