A teaching aid for demonstration purposes designed for the overhead projector. The flats and rods are specially scored to help students visualize place value concepts.
OCLC:
(OCoLC)35253312
Locations:
SOAX911 -- Simpson College - Dunn Library (Indianola)
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.