Double the ducks
By: by Stuart J. Murphy ; illustrated by Valeria Petrone.
Contributors: Petrone, Valeria, ill.
Edition: 1st ed.
Series: MathStart
Publisher: HarperCollins
Published: 2003
Place of publication: New York
Language: eng
Number of pages: 31
Subjects: Multiplication -- Juvenile literature; Multiplication
Genres: Juvenile literature.
Notes: "Level 1."
"Doubling numbers."