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Curated OER
Who's On First?
Have you ever considered why the number 10 is so important to us? That's what learners do here. They explore patterns formed by powers of ten and by decimals, convert units of measure within the metric system, and express these in the...
Beyond Benign
The Big Melt: Arctic Ice Caps
Are the Arctic ice caps really melting out of existence? Junior climatologists examine the statistics of ice decline through four math-based lessons. Each activity incorporates data, climate information, and environmental impact into an...