If you were a times sign
By: by Trisha Speed Shaskan ; illustrated by Sarah Dillard.
Contributors: Dillard, Sarah, 1961- ill.
Series: Math fun
Publisher: Picture Window Books
Published: 2009
Place of publication: Minneapolis, Minn
Language: eng
ISBN-13: 9781404852105
Subjects: Multiplication -- Juvenile literature; Mathematical notation -- Juvenile literature
Genres: Juvenile literature.
Notes: Includes index.