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|TJ Leone, Leone Learning Systems, Inc.|
|A free, Java-based software tool for thinking about circles, sectors, segments, and angles. Based on Montessori principles of learning through the manipulation of objects. Activity cards included. For Windows computers only. Includes ideas and stories of classroom use.|
|Resource Types:||Manipulatives, Instructional Packages/Games|
|Math Topics:||Euclidean Plane Geometry|
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