Hot Air Balloon - A model for adding and subtracting integer

This is a real-world, context model for helping students develop a conceptual understanding of adding and subtracting integer.

ryan_gillespie44 — 2014년 11월 12일 - 오후 7:07

라이선스: CC-BY-SA, GeoGebra Terms of Use
변형된 자료: Carl's Airship - Addition and Subtraction of Negative Integer
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