Double the ducks

Main Author: Murphy, Stuart J., 1942-
Format: Books Print Book
Language: English
Published: New York : HarperCollins Publishers, 2003.
Series: MathStart
Subjects:
Item Description: "Level 1."
"Doubling numbers."
Physical Description: 31 p. : ill. ; 21 cm.
ISBN: 0060289228
0064462498 (pbk.)
0060289236 (lib. bdg.)