Curated OER
Odometers and Place Value Chart
Learners explore the concept of place value with a hand-made odometer. In this math lesson, students construct a cardboard odometer with movable paper strips to show increases in mileage to the hundredths place. Learners solve story...
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Ancient History: 10 Ancient Greek Inventions and Discoveries Still Used Today
Ten of the important inventions and innovations of the ancient Greeks are described. These include the water mill, the odometer, alarm clocks, cartography, the Olympics, geometry, Hippocratic medicine, philosophy, democracy, and...