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In this math lesson, learners practice estimation and measurement skills as they move from station to station calculating length, volume, weight, and area.

In this math lesson, learners explore the concept of using units to measure length. Learners first read "How Big is a Foot" by Rolf Myller and learn about units.

In this activity, learners "go fishing," then practice ruler use and size/pattern comparison with the animals they catch.

In this math lesson, learners use hinged mirrors to discover that regular polygons are composed of triangles tessellating around a center point.

In this activity, learners confront their perceptions of gravity in the solar system.

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.