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RD Sharma Class 8 Solutions Chapter 3 - Square and Square Roots (Ex 3.7) Exercise 3.7

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Last updated date: 25th Feb 2024
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IVSAT 2024

RD Sharma Class 8 Solutions Chapter 3 - Square and Square Roots (Ex 3.7) Exercise 3.7 - Free PDF

Free PDF download of RD Sharma Class 8 Solutions Chapter 3 - Square and Square Roots Exercise 3.7 solved by Expert Mathematics Teachers on Vedantu. All Chapter 3 - Square and Square Roots Ex 3.7 Questions with Solutions for RD Sharma Class 8 Math to help you to revise complete Syllabus and score more marks. Register for online coaching for IIT JEE (Mains & Advanced) and other Engineering entrance exams. Vedantu is a platform that provides free NCERT Solution and other study materials for students. Science Students who are looking for NCERT Solutions for Class 8 Science will also find the Solutions curated by our Master Teachers really helpful.

Steps for finding the Square Root of Numbers in the Decimal Form

The steps for finding the square root of numbers in the decimal form are given here:

  • Make the number of decimal places by affixing a zero on the utmost right of the decimal part if required.

  • In an integral part, mark the periods while finding the square root of a perfect square of a natural number.

  • In the decimal part, mark the period on each pair of digits beginning from the first decimal place.

  • Then, use the long division method for finding the square root

  • Place the decimal point in the square root when the integral part is removed. 


Overview of Class 8 Chapter 3 Exercise 3.7

Exercise 3.7 of Class 8 RD Sharma is based on the questions related to finding the square root of decimal numbers. Students will learn the methods for finding the square root of decimal numbers by using a long division method. The long division method is an easy and simple method for finding the square root of a given number. 


The main topics covered in the exercise include identifying the square of a number, patterns formed by square, perfect square, determining square roots using different methods, and finding the square roots of decimals and some other important topics. 

FAQs on RD Sharma Class 8 Solutions Chapter 3 - Square and Square Roots (Ex 3.7) Exercise 3.7

1. Which numbers cannot help to find whether they are square by looking at the digit of the unit place?

Natural numbers ending in 0,1,4,5,6 or 9 can be or cannot be a square number. Some examples are given here where you cannot find whether they are square or not by looking at the digit of the unit place.


3061: The digit at the unit place is 1 so it may or may not be a square number.

1059: The digit at the unit place is 9, so it may or may not be a square number.

1134: The digit at the unit place is 4, so it may or may not be a square number.

55370: The digit at the unit place is 0, so it may or may not be a square number.

77555: The digit at the unit place is 5 so it may or may not be a square number.

2. Which numbers are squares of even numbers?

123, 256, 1296, 5477.

The numbers 256, 1296, are squares of even numbers because we know that only even numbers can be the squares of even numbers and 256 and 1296 are even numbers.