Effects of training on the concepts of water level and horizontality in the classroom
Subtitle: report from the Project on Analysis of Mathematics Instruction.
By: Robert E. Davidson, chairman of the exam[in]ing committee. Thomas A. Romberg and John G. Harvey, principal investigators.
Series: [Wisconsin Research and Development Center for Cognitive Learning] Technical report; no. 128
Publisher: Wisconsin Research and Development Center for Cognitive Learning
Published: 1970
Place of publication: [Madison]
Language: eng
Number of pages: 83
Subjects: Geometry -- Study and teaching (Elementary)
Notes: Bibliography: p. 50-51.
"U.S. Office of Education, Center no. C-03, contract OE 5-10-154."