For squaring binomials, I have always used the FOIL method and memorized the algebraic expression-
a (squared) + 2ab + b(squared), but today I learned the reason I mechanically do these actions. During my Montessori training this weekend, I learned the coolest way to teach the squaring of binomials. Here are some videos I found to help teach it to everyone:
Video #1
Video #2
Have fun!!
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