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A mathematical problem about finding the total number of squares on a checkerboard with varying side lengths from 1 to 8. The solution is presented by ralph connelly, a professor emeritus at brock university, who has taught elementary math methods courses for over 30 years and is an active member of nctm.
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How many squares are there on a checkerboard? Size of square Number of squares 1 x 1 2 x 2 3 x 3 4 x 4 5 x 5 6 x 6 7 x 7 8 x 8 Total
Solution: Solution found on the Teaching Children Mathematics TCM Blog website: http://www.nctm.org/publications/blog/blog.a spx?id=42015&blogid= Ralph Connelly is Professor Emeritus in the Faculty of Education at Brock University in Ontario, where he taught elementary math methods courses for 30+ years and is an active member of NCTM.