Double The Ducks (Turtleback School & Library Binding Edition) (Mathstart: Level 1 (Prebound))
Stuart J Murphy
ISBN13:9780613592390 ISBN:0613592395 List Price: $16.0 Publisher:Turtleback Published Date: Pages:40 Average Goodreads rating: 3.74/5 (2 ratings)
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.