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In this important new book for pre- and in-service teachers, early math experts Douglas Clements and Julie Sarama show how "learning trajectories" help teachers become more effective professionals.
Computer graphic feltboards: New software approaches for young children's mathematical exploration. San Francisco, CA: American Educational Research Association. Chard, D.J., Clarke, B., Baker, S., Otterstedt, J., Braun, D., & Katz, ...
In this important book for pre- and in-service teachers, early math experts Douglas Clements and Julie Sarama show how "learning trajectories" help diagnose a child’s level of mathematical understanding and provide guidance for teaching.