Double the DucksBook - 2003
One little boy works hard to take care of 5 little ducks. Then each duck brings home a friend, and it's double the work! This story shows readers how to double numbers, a first step toward addition and multiplication.
Publisher: New York : HarperCollins, c2003.
Edition: 1st ed. --
Characteristics: 31,  p. :,col. ill. --