| Stone Age Geometry: Lines |
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4.4 |
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| Stone Age Geometry: Spheres |
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4.5 |
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| Stone Age Geometry: Squares |
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4.1 |
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| Pulling Up: The Pulley |
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4.4 |
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| Rolling Along: The Wheel and Axle |
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4.4 |
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| Sloping Up and Down: The Inclined Plane |
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4.2 |
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| Splitting Apart: The Wedge |
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4.4 |
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| Winding Around: The Screw |
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4.5 |
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| Stone Age Geometry: Triangles |
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4.3 |
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| Pressing Down: The Lever |
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4.4 |
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| Alone in the Arctic |
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4.3 |
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| Swept Away by the Storm |
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5.0 |
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