PBS
Pbs Teachers: Toothpicks and Transformations [Pdf]
Using calculators, students investigate quadratic functions using geometric toothpick designs in this instructional activity that with a review of transformations of quadratic functions, vertical and horizontal shifts, and stretches and...
Texas Instruments
Texas Instruments: Transformations of Quadratics
Series of LearningCheck documents to assess student knowledge of quadratic transformations.