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Sizing Up the Grinch’s Heart

Dana C. Cox and Michael Todd Edwards 

November 2012, Volume 18, Issue 4, Page 228

Abstract:
How do middle school students interpret the phrase “two sizes too small”? Examining students’ responses will re-form your thinking about teaching similarity and using nonstandard shapes.

Keywords:
Article
Grades 6-8
Similarity / Congruence
Ratios / Proportions