Curated OER
Circles in the Landscape: Irrigating Oklahoma Crops
How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...
Stanford University
Annexation of Hawaii
Once an independent nation, Hawaii became part of the United States only after a business-sponsored coup of its queen. After examining newspapers from the 1890s, learners consider whether native Hawaiians wished to become Americans at...
Curated OER
Missouri Rice Farming
Sixth graders investigate rice farming in Missouri. In this percentages lesson plan, 6th graders determine how much rice production has increased over time. Students find this number in percentages. Students then figure the percent of...