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Exploring a Complex Space-Filling Shape
Source Institutions
In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-555.jpg?itok=59FI4jmQ)
Scaling Cubes
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-528.png?itok=KOklE3Rn)
Reflections
Source Institutions
In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-561.png?itok=2uNSxfHd)
Experimenting with Symmetry
Source Institutions
In this activity, learners use pattern blocks and mirrors to explore symmetry. Learners work in pairs and build mirror images of each other's designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-633.gif?itok=WaFFPUY5)
Carbon Configurations
Source Institutions
In this activity, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-533.jpg?itok=fsu_f4be)
Playground Patterns of Cracks
Source Institutions
In this math activity, learners observe and sketch cracking patterns in pavement.