or go to, click on "Solutions", then "TEKS resources"
Activities, STAAR Resources, Professional Development, Calculator Tutorials
For both TI-83/84 and TI-Nspire

Links to hundreds of free activities

Zombies I & II, Space, Forensics, Superheroes
Managing Diabetes Type 1, Breast Cancer, Diabetes Research
Both include student worksheets, teacher notes and solutions

FREE 90-Day Trial for TI-Nspire CAS Teacher Software
MathNspired 1000+ activities with worksheets and teacher notes