Adding At The Circus [Board Book] : First Math Slide And See / by Hannah Watson, illustrated by Alex Willmore, designed by Francesca Allen and Claire Ever.
A brand new series of interactive board books to make it easier for children to learn math skills. Slide the simple mechanisms and see the picture change to show the result of the additions and subtractions, making math visual, concrete, and easy to understand!.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.