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Beyond Dominoes: Polyominoes
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In this activity, learners add squares to paper dominoes to make polyominoes.
Exploring a Complex Space-Filling Shape
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In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.
Scaling Cubes
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In this activity, learners explore scale by using building cubes to see how changing the length, width, and height of a three-dimensional object affects its surface area and its volume.
The Shadow Knows II
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.
Exploring Tessellations (Grades 6-8)
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In this activity, learners design unique tiles and make repeating patterns to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.
Playground Patterns of Cracks
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In this math activity, learners observe and sketch cracking patterns in pavement.
Special Effects: Titanic and Beyond
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In this activity, learners investigate how geometry plays a role in perspective.
Shrinking Coin
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In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.
Building Houses: Build a Cardboard Tube House
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Build a house you can fit inside, using cardboard tubes.
Traveling Networks
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In this geometry activity, learners explore networks painted on playgrounds, such as a four square court, and draw their own.
Rotating String Shapes
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In this group activity, learners make multi-sided polygons with string.
String Shapes
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In this activity, learners work together to make polygons (many-sided shapes) with string. Learners sit on the floor and hold onto a piece of string slid between their thumbs and index fingers.