A-2: Square Numbers

Guided Practice:

Estimate the following square roots to one decimal place without using a calculator.  There are two “helps” for each problem — Command-click the first one to get you started in the right direction if you need a bit of help in a new window.  The second one provides the answer and the explanation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Practice Problems:

Estimate the following square roots to one decimal place without using a calculator.   You may check your answer key (link at bottom) when you are finished.

 

 

 

 

Answer Key

Extra Practice:

Here is an interactive game you can play online to help you estimate square roots. (FLASH BASED – Can’t use on your school-issued laptop)

Here is another one – can use on your school laptop, but is a little trickier than what I’ll normally ask you