Trading baseball cards
Subtitle: learning the symbols +, -, and =
By: Jessica Baron.
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: 9780823988655; 9780823973491
Subjects: Addition.; Subtraction.; Mathematics.; Baseball cards.; Reading (Elementary)