Steps to find units digit if the unit digit obtained in Step 2 is apart from 5 or 10 are:
Step 6: Once, it is checked if the obtained number is 5 or 10, then they are written as it is, else we find out the unit digit by using the below steps.Check if the unit digit obtained in Step 2 is anyone among them. Step 5: As referred to in the chart of squares, there are only two numbers whose squares do not repeat i.e, 5 and 10.The number whose square results in a number lower than the given number is chosen as the tens digit of the square root of a given number.
Step 4: It is determined that between squares of which two numbers the first set digits of number lies. Step 3: Now, we consider the first set of digits of the number. Step 2: Match the unit digit of the number from the chart and determine the possible values of the square root of the unit digit. The square root of a number can be found by using the below steps: For example, square root of 4 is 2 as √4 = √(2 2) = 2. The square root is an arithmetic operation represented by a symbol √ and its value is the number that on squaring gets results from the given number. Step 4: Determine between which two squares this number lies, √a 2 108, the square root of 10816 will be the lesser of 104 and 106 which is 104.įAQs on Square Root Tricks What is Square Root in Math?. Step 3: Let us consider the first pair of digits. Step 2: Match the unit digit of number from the chart and determine the possible values of the square root of the unit digit. Step 1: Pair the digits starting from right to left. The steps to estimate the square root of a 4 digit number are: Let us learn to calculate the square root of numbers using the trick. It is possible to calculate the square root of a number having 4 digits as well as 5 digits. In order to determine the square root without using a long division, we must know the unit digits of squares of the first ten numbers. We can estimate the square root of a perfect square number using a trick.
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