1. 01. English Non Fiction Millions, billions & trillions : understanding big numbers / by Adler, David A. Publication: New York : Scholastic Inc., 2013 . 1 v. (unpaged) : 25 cm. Date:2013 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Comparing numbers! / by Penn, M. W. Publication: Mankato, Minn. : Capstone Press, 2012 . 24 p. : 18 cm. Date:2012 Availability: Copies available: (1), Actions: