Double The Ducks
Stuart J. Murphy, Valeria Petrone
School & Library Binding
(Turtleback Books, Dec. 24, 2002)
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.
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