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    Featured Lesson Plan

    Estimate the age of your schoolyard trees with this grades 3–8 lesson plan.

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  • PiFight Screenshot

    Featured Mobile Game

    Check out our latest game, Pi Fight! How comfortable are you with radians and degrees? 

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  • ShapeSorter IMAGE

    Featured Interactive

    Use this tool to explore many different geometric properties and shapes. 

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  • From1Through19

    Featured Brain Teaser

    Write the numbers from 1 through 19 in the circles so that the numbers in every 3 circles on a straight line total 30.

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Welcome to Bright Ideas, the e-newsletter of Illuminations. Once a month, this newsletter provides resources, information and new ideas to interested teachers.