# Cubing

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A visual representation of cubing. “In the diagrams, Figure 1 represents 40 cubed and has a content of 64,000 cubic units; Figure 2 represents 3(40 squared x 8) and the contents of these three blocks are 38,400 cubic units; Figure 3 represents 3(40 x 8 squared) and the contents of these blocks are 7,680 cubic units; Figure 4 represents 8 cubed or 512 cubic units.” -Foster, 1921

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Cubes### Source

Ellsworth D. Foster ed. *The American Educator (vol. 2)* (Chicago, IL: Ralph Durham Company, 1921)

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