by Frank Remkiewicz (Illustrator), Frank Remkiewicz (Illustrator), Stuart J. Murphy (Author)
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.
Format: Illustrated
Pages: 40
Edition: Illustrated
Publisher: HarperColl
Published: 20 Apr 2016
ISBN 10: 0060001267
ISBN 13: 9780060001261