> Perspectives and Resources:

• Lesson Plans
• Issues Matrix
• Student work
• Index of Teacher Interviews
• Video of Lesson Sequence:
  • Day 1- Visualizing two-dimensional drawings of three-dimensional shapes
  • Day 2- Determining the number of cubes required to fill a box
  • Day 3- Informal explorations of the impact of dimension on volume of a box
• Articles:
  • Thompson, P. W. (1994). Concrete materials and teaching for understanding. Arithmetic Teacher, 41(9), 556-558.
• Links:
  • NCTM