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Battleships: Searching Algorithms
Source Institutions
This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.
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My Solar System
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In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.
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Why Does the Moon Have Phases?
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In this activity, learners use a simple 3D model to discover why the Moon has phases.
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Paper Folding: Unfurling Geometric Paper Shapes
Source Institutions
Use geometry, a ruler, and a steady hand to create these amazing unfurling paper folds!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-509.png?itok=B-jqFCWJ)
Globe at Night
Source Institutions
In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
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Momentos de Mixing in Math: Varias Actividades Matemáticas de 5 ó 10 Minutos
Source Institutions
Los Momentos de Mixing in Math son actividades de 5 a 10 minutos que mantienen a los chicos ocupados, aprendiendo sobre el mundo, y usando matemáticas por su cuenta.
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Patches the Cat: A Print-and-Build Paper Sculpture Kit
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In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.
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Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-198.jpg?itok=iNynEO0n)
Honeycomb Geometry
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In this activity, learners will build a honeycomb. Learners will investigate how the shape of the honeycomb develops. Activity includes step-by-step instructions and extension ideas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-475.png?itok=P8G7ANut)
Shrinking Coin
Source Institutions
In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.