Product Overview
Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.
- UPC:
- 9780060001261
- Maximum Purchase:
- 2 units
- Binding:
- Paperback
- Publication Date:
- 2003-08-14
- Release Date:
- 2003-08-14
- Author:
- Stuart Murphy
- Language:
- english
