Circle Graphs - an interactive graph with several data sets

Circle Graphs

Investigations with Circles

Measuring Angles - a demonstration

Measuring Angles - a virtual protractor

Interactive Geoboard

How long can the sides of a triangle be?

Angles Relationships and Parallel Lines

Investigations with Angles and Parallel Lines

Investigations with Congruent Figures and Triangles

Congruent Polygons and Transformations

Transformations - Dilation

Transformations - Reflection

Transformations -Rotation

Transformations -Translation

Transformations of Parallelograms and Triangles
- an interactive graph

Transformation of Polygons - an interactive graph

Reflections and Translations

Tessellations

Area and Perimeter of a Triangle

Area of Polygons - demonstrations, formulas, and a comparison to perimeter

Investigations with Similar Figures

Problem Solving - Turtle Geometry