Discovering Math on the TI-73: Grades 7 and 8. This activity workbook for the TI73 with Graph Explorer software highlights the capabilities of the TI73 while integrating it into the mathematics curriculum in Grades 7 and 8. The activities highlight the functional capabilities of the TI73, while making mathematical connections with major topics in Geometry and Measurement, Number Sense, Patterns and Relations, Algebraic Reasoning and Probability and Statistics. Each activity includes detailed keystrokes and separate teacher and student pages.