How to find the square root of a decimal number without a calculator

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This video follows on from my previous video where I reviewed an exam from 1866. Finding the square root of a decimal number by hand is not so tricky once you learn this algorithm, but is a skill that is not often taught since we can do it so easily on a calculator these days. My previous video: https://youtu.be/KzJjlg3wvew

More about finding the square root: https://www.homeschoolmath.net/teaching/square-root-algorithm.php

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Видео How to find the square root of a decimal number without a calculator канала Tibees