Atoddler, after some experimentation, puts a square peg into a square hole. What does she know about shapes? What more will she learn in preschool and elementary school. What might she learn?
Doug Clements conducts research in the areas of computer applications in education, early development of mathematical ideas, and the learning and teaching of geometry.
Julie Sarama research interests include the implementation and effects of software environments in mathematics classrooms. With Clements, she is developing innovative preschool mathematics materials.