Described are the conceptions held by United States and Israeli students about multiplication and division that may impede their work with decimals. Included are the introduction, method, division and multiplication task results, and the implications for education and textbook development. (KR)

Examines the distinction between moral and conventional norms between 60 boys and girls in the first and fourth grades in Israel. Results are interpreted in terms of two distinct orientations to social norms: one where the criteria for social judgment of behaviors are consequences to others and law; the other where norms have absolute validity.…