Everyday Math (2004) Teacher Lesson Guide, pp. 541-548
Student Reference, pp. 47-50
Math Journal pp. 356-357, 207
Investigations/Scott Foresman (2006)
Different Shapes, Equal Pieces
Investigation 1, Session 5: pp. 19-21
Investigation 2, Sessions 3 and 4: pp. 29-37
Investigation 3, Sessions 1 and 2, pp. 41-45
