Protractor Angle Demo

Autor:rcsellers

Just a quick demonstration of why there are two scales on a protractor. Many students don't seem to have a good conceptual grounding in how they should reason through which scale to use.

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Dividing a 3-digit number by a 1-digit number (1)
Addition within Two Places
apec
Marion's Theorem

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Многогранники.
Eddleblute1
cuboctaedre
Perpendicular line
TESTS FOR SIMILARITY

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Álgebra
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