







4 squared and (4) squared 
20090929 

Andrea pose la question : Is 4 squared the same as (4) squared? I am thinking the first is 16 and the second is +16. I am trying to clarify for my students. Penny Nom lui répond. 





Using FOIL for (2x  6)^2 
20070518 

TONI pose la question : I am having a problem finding examples of how to solve (2x6)^2. Stephen La Rocque lui répond. 





Squaring numbers 
20061008 

Timothy pose la question : did anyone ever try to teach that the easiest way to find the next square in a group of numbers is to add the next odd number in the sequence. for example: 1 squared is 1, 2 squared is 4,difference of 3.the next odd number is 5 so the next square would be 4 +5 or 9 Paul Betts and Penny Nom lui répond. 





(a+b) squared and a squared plus b squared 
20011114 

Kristen pose la question :
(a+b)^{2} = a^{2} + b^{2} Is this true for all whole numbers, and why? Penny Nom lui répond. 





Squaring the circle 
20011023 

Margaret pose la question : I have the following question that I cannot answer on my own (I don't know where to begin): Is it possible construct a square whose area will equal the area of a given circle? Please Explain why or why not. Penny Nom lui répond. 

