Place Value Instruction

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Invitation to mathematics: 1. (1985). Glenview, IL: Scott, Foresman.

Peterson S. (1987). The concrete to abstract mathematical instructional sequence with learning disabled students. Unpublished doctoral dissertation, University of Florida, Gainesville.

Stevens R. , & Rosenshine B. (1981). Advances in research on teaching. Exceptional Education Quarterly, 2(1), 1–9.

Thoburn R. Forbes J. , & Bechtel R. (1985). Macmillan mathematics, Level 1. New York: Macmillan.

Underhill R. Uprichard A. , & Heddens J. (1980). Diagnosing mathematical difficulties. Columbus, OH: Charles E. Merrill.