Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. But, we stop at 3 digits after decimal point, Subscribe to our Youtube Channel - https://you.tube/teachoo, Finding square root by division method - Decimals. The long division method for √7921 can be found as given below: Hence, √7921 = 89. Let us see some examples here: Example 1: Find square root of 7921. Therefore, to find the square root of large numbers we use the long division method. 1 ; square root of 1764is 42. Translating the word problems in to algebraic expressions. So, 04 and 23 are two pairs. (i) 2304 Thus, Square root of 2304 = 48 Let’s look at individual steps as well Individual Steps are explained Step 1: Write the number We make pairs from right. Teachoo provides the best content available! Teachoo is free. Finding square root using long division. Ex 6.4, 1 Find the square root of each of the following numbers by Division method. How to find square root using long division method. Square root of a number by long division method. Let us understand long division method with the help of an example. Share 5. Sum of all three digit numbers divisible by 8. Sum of all three digit numbers divisible by 6. more decimal digits. 0 ; the square root of 1764 is 42. Another method to find the square root of any numbers is long division method. decimal point, we start from the right of decimal point and make pairs. Here, we can find square root Since, 7921 is a perfect square, therefore, we can also find using factorisation method. But, we stop at 3 … after Login to view more pages. L.C.M method to solve time and work problems. He provides courses for Maths and Science at Teachoo. Terms of Service. On signing up you are confirming that you have read and agree to Remainder when 17 power 23 is divided by 16. He has been teaching from the past 9 years. Sum of all three digit numbers divisible by 7 . We use that Thus, Square root of 17.64 = 4.2 Square root of 1.125 by long division Therefore, Square root of 1.125 = 1.060… Here, we can find square root upto more decimal digits. Find a number which is less than Or equal to 164 81 × 1 = 81 82 × 2 = 164 Since 82 × 2 = 164. Remainder when 2 power 256 is divided by 17. upto Also, to find the square roots of imperfect squares such as 2,3,5,6,8,etc., we can use long division method avoiding the use of calculators. Square root of 1764 by long division method Share with your friends. Step 2: Now, we find that number whose square is less than or equal to 23. Learn Science with Notes and NCERT Solutions, Chapter 6 Class 8 Squares and Square Roots, Finding Square root through repeated subtraction, Finding Square root through prime factorisation, Checking if perfect square by prime factorisation, Smallest number multiplied to get perfect square, Smallest number divided to get perfect square, Smallest square number divisible by numbers, Finding number of digits in square root (without calculation), Finding square root by division method - Integers, Least number subtracted to get a perfect square, Least number added to get a perfect square. Answer : We find value of 1764, By long division method As : 1764 = 42 ( Ans ) 5 ; View Full Answer Square root of 1764 is 42 . (adsbygoogle = window.adsbygoogle || []).push({}); For numbers