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From DANIEL RODRIGUEZ:
Square root is a complicated topic for every kid This app help your kid to learn how to do it in 5 levelsEach level has animations and help In level 1 the app shows only perfect square roots like 9 just to introduce your kid to understand what square root is, this level shows help like ?x?=9 to help to understand the conceptIn levels 2 - 5 there is help as you can see on the images level 2 shows 1 digit numbers like 7.0level 3 shows 2 digit numbers like 35.00level 4 shows 1 digit with 2 decimals like 5.45level 5 shows 2 digits with 2 decimals like 56.78the process in each case is similar but each case has it's own procedure too