Better Lesson
Better Lesson: 3 D Figures and Nets
Sixth graders explore cube nets in an effort to understand what properties are common to all nets that form a cube. Students work hands-on with nets and are then pushed to use their experience to visually determine whether other nets...
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3 D Vinci: Free Stuff for Everyone
Free projects and video tutorials on using Google SketchUp to make 3-D models. For K-12 and also for adults. A teaching guide is also available.