On teachers' mathematical knowledge and student exploration: A personal story about teaching a technologically supported approach to school algebra

@article{Chazan1999OnTM,
  title={On teachers' mathematical knowledge and student exploration: A personal story about teaching a technologically supported approach to school algebra},
  author={Daniel Chazan},
  journal={I. J. Computers for Math. Learning},
  year={1999},
  volume={4},
  pages={121}
}