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    NCTM Illuminations
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    In this math activity, learners model a bungee jump using a BarbieĀ® doll and rubber bands. The distance which the doll will fall is directly proportional to the number of rubber bands, so this...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    NCTM Illuminations
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    In this math lesson, each learner constructs a tetrahedron and describes the linear dimensions, area and volume using nonā€‘traditional units of measure. Four tetrahedra are combined to form a...

    $1 - $5 per group Ages 11 - 18 1 to 2 hours
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    NCTM Illuminations
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    In this math lesson, learners practice addition facts (with sums of 5, 6, 7, and 8) in a concentration-game format using dominoes. Then, learners generate sums of given numbers using a calculator,...

    1 cent - $1 per group Ages 4 - 8 45 to 60 minutes
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    NCTM Illuminations
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    In this math activity, learners explore the history of the Stomachion (an ancient tangram-type puzzle), use the pieces to create other figures, learn about symmetry and transformations, and...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes

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