What Do You Notice? Rectangular Arrays

 Skills:   
 Primary students (K-2): shapes, counting, repeated addition, area 
 Intermediate students (3-5): classifying quadrilaterals, area model of multiplication, multiplication, prime, composite, and square numbers
It’s been on my TO DO list for a long time.  Years, in fact.  But I’ve finally checked it off and I’m thrilled with the results.
As many of you know, for each of my Family Math Night events I include a What Do You Notice? poster.  These posters are designed to get kids and parents thinking about math on a deeper level.  Although each poster has been included on our website, there has never been details…until now.  I’ve taken each of the posters and written a thorough description of the math involved.  I’ve also included the specific skills by grade span, K-2 and 3-5, and given several examples of student responses.
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