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    NCTM Illuminations
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    In this math lesson, learners create parallelograms from square sheets of paper and connect them to form octagons. During the construction, learners consider angle measures, segment lengths, and...

    1 cent - $1 per student Ages 11 - 18 1 to 2 hours
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    University of Washington
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    In this activity, learners investigate color vision as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover that afterimages occur because of...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours

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    • Oregon Museum of Science and Industry (remove)
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