| Comparing One Measure of a Square (Side Length, Diagonal Length, Area, or Perimeter) to Another |  |   |
| | Representing Patterns with Shapes and Numbers |  |  |
| Investigating the Geometry of Packing Circles in Real-World Problems |  |  |
| | Determining How Many Squares of Any Size are on a Checkerboard |  |   |
| Exploring Three-Dimensional Shapes |  |  |
| Using the Works of Wassily Kandinsky to Exemplify Geometric Shapes |  |  |
| | Exploring The Relationship Between Diameter, Circumference, And Area |  |   |
| Using Geometry and Measurement Concepts to Create Paths |  |   |
| | Extending the Fibonacci Sequence through an Algebra Exploration |  |  |
| Constructing a Scale Drawing of a Regulation Dartboard Using Geometry and Measurement |  |   |
| | Recognizing, Constructing, and Identifying Triangles |  |  |
| | Designing Your Dream Clubhouse Using Measurement and Geometry |  |   |
| | Understanding Vectors with Dynamic Geometric Representations |  |  |
| | Investigating Ratio, Proportion, Scale Factor, and Similarity Using Various Rectangular Shapes |  |  |
| Exploring Distances to the Sides in a Regular Polygon |  |  |
| | Exploring Magic Squares from an Historical and Mathematical Perspective |  |   |
| | Using Stories as the Context for Mathematical Discovery |  |   |
| | Analyzing Information Represented Graphically |  |  |
| | Using Your Own Measurements to Explore Similar Figures |  |   |
| Using Multiple Strategies to Solve a Problem Involving the Area of Parallelograms |  |  |
| Bringing Archimedes’ Method to Life in the Geometry Classroom |  |   |
| | Using puzzle pieces to put together formal proofs, from a collection of statements and reasons. |  |  |
| | Investigating the Geometry of an Origami Octagon that Changes Shape |  |   |
| Using Dynamic Geometry Software to Investigate the Power of Points With Respect to a Circle |  |  |
| Using Dynamic Geometry Software to Discover the Law of Cosines |  |   |
| | Investigating Reflections and Their Properties |  |  |
| Using Geometric Theorems to Classify Triangles by Angles and Sides |  |  |
| Explore Polyhedra With Three-Dimensional Representations |  |  |
| Tiling the Plane with Regular Polygons |  |  |