Curated OER
How much rice to US farmers grow?
Fourth graders examine rice farming. For this rice farming lesson, 4th graders compute how much of the world's rice the US produces. Students gain information about the history of growing rice and how much rice other countries grow as...
Colorado State University
Usma: Commonly Used Metric System Units and Symbols
USMA provides a listing of commonly used metric system units, symbols, and prefixes.