Shapes and Designs
| Investigation | Lesson | Link |
| 1 - Bees and Polygons | 1.1 Tiling a Beehive | Virtual Manipulatives: Tessellations |
| Virtual Manipulatives: Pattern Blocks | ||
| 2 - Building Polygons | 2.1 Building Triangles | Geometer's Sketchpad: Sticks |
| Virtual Manipulatives: Triangles | ||
| 2.2 Building Quadrilaterals | Geometer's Sketchpad: Sticks | |
| 3 - Polygons and Angles | 3.2 Estimating Angles | PBS Kids: Star Gazing |
| 3.6 Analyzing Measuring Errors | Project Interactive: Image Tool | |
| 4 - Polygons, Properties, and Tiling | 4.3 Back to the Bees | Virtual Manipulatives: Tessellations |
| ACE Question #42 | Project Interactive: Angles | |