Incoming Resources
- Circles and rectangles, Kay Robertson
- Rectangles and triangles, a song about drawing with shapes
- ¿Un cuadrado? ¡Un rectángulo!, A square? A rectangle!, Holly Karapetkova, J. Jean Robertson
- Shapes, Esther Sarfatti
- Two short, two long, a book about rectangles
- Building Washington, D.C., measuring the area of rectangular shapes, Barbara M. Linde
- Rectangle, a flag or a paper bag
- We love rectangles!