Douglas H. Clements

• Learning and teaching early math
• Hypothetical Learning Trajectories
• Flips, Turns, and Area
• Computers in early and primary education
• Engaging young children in mathematics
• Learning and teaching measurement
• Logo and geometry
• Macmillan/McGraw-Hill math
• Macmillan/McGraw-Hill math
• Macmillan/McGraw-Hill math
• Macmillan/McGraw-Hill math
• Math in My World