The idea for this lesson is from Measurement in the Middle Grades, published by NCTM in 1994. It’s still available here. I created this worksheet — in pdf designing_buildings and docx designing_buildings — using Illuminations’ nifty isometric tool to draw the shapes. I purposely did not give the kids interlocking cubes to complete question 1 — wanted to see if they could count the number of windows and rooms from just the […]

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