The American flag
Subtitle: learning to identify two-digit numbers up to 50
By: Robert Girard.
Series: Math for the real world
Publisher: Rosen Classroom Books & Materials; Rosen Publishing Group
Published: 2004
Place of publication: New York
Number of pages: 12
ISBN-13: 9780823988884; 9780823974153
Subjects: Addition.; Numeration.; Mathematics.; Flags -- United States.; Reading (Elementary)