Double The Ducks (Turtleback School & Library Binding Edition) (Mathstart: Level 1 (Prebound))
By Stuart J. Murphy.
Description
FOR USE IN SCHOOLS AND LIBRARIES ONLY. It's hard work, taking care of five little ducks. But when each duck comes home with a friend, it's double the ducks and double the work. Understanding how to double numbers helps children master both addition and multiplication. Level 1 MathStart book. - from Amzon
ISBN(s)
0613592395, 9780613592390
