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This activity is about squares and square roots.

 

We're going to practise using a calculator and finding the square button (x2 ) and the square root button (√)  

 

a purple calculator

 

Round your answer to 1 decimal place where necessary.

 

Example 1

Using the  x2 button, find 162 

 

First, put in 16, then x2, and finally =

The answer is  256

 

Example 2

Using  the (√) button, find the square root of  596 or  √596 

 

First, tap the √ button, then 596, and finally =

The answer is 24.4 to one decimal place.

 

Let's give it a try! If you need to remind yourself of the order of the buttons, just click on the red button and you'll be able to see this introduction again.

10 questions