Graham has produced an amazing series of “progression” videos that illustrate how teachers can develop understanding of the operations (and fractions) by moving through a progression of steps that build understanding. Each vertical progression allows you to meet your students exactly where they are. This week, I am working on division with my 4th graders (whole numbers) and my 5th graders (decimals). I literally studied Graham’s progression for division last week and took screenshots of his illustrations! Here’s a collage showing some of this work.
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