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Tirosh, Dina; Graeber, Anna O. – School Science and Mathematics, 1991
Investigated was whether preservice teachers' success in solving division word problems was effected by the type of problem or by the common misconceptions related to primitive models of division. Preservice teachers' ways of thinking about division were also examined. Sample division problems, results, discussion, and implications are included.…
Descriptors: Division, Elementary Education, Interviews, Mathematical Concepts
Graeber, Anna O.; Baker, Kay M. – Focus on Learning Problems in Mathematics, 1991
Explores the extent to which presentations about multiplication and division involving decimals within three series of mathematics textbooks for grades three through eight help students to counter common learner misconceptions about multiplication and division. Results indicate that theory on conceptual change with its concomitant research have…
Descriptors: Concept Formation, Division, Elementary Education, Elementary School Mathematics
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Graeber, Anna O.; And Others – Journal for Research in Mathematics Education, 1989
Studied were the misconceptions that preservice elementary teachers have about multiplication and division. Results indicated that they are influenced by the same primitive models as students; the most common errors made by both groups are quite similar. (MNS)
Descriptors: Cognitive Structures, College Students, Computation, Concept Formation
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Tirosh, Dina; Graeber, Anna O. – Journal for Research in Mathematics Education, 1990
Investigated was the use of cognitive conflict to probe the misconceptions held by preservice elementary teachers that in a division problem the quotient must be less than the dividend. Explains how preservice teachers' reliance on information about the domain of whole numbers and their instrumental understanding support their misconceptions.…
Descriptors: Arithmetic, College Mathematics, Computation, Division
Tirosh, Dina; Graeber, Anna O. – Focus on Learning Problems in Mathematics, 1990
Discussed are preservice elementary teachers' misconceptions and inconsistent beliefs about multiplication and division with decimals. Sources of inconsistencies and recommendations for overcoming inconsistencies are included. (KR)
Descriptors: Abstract Reasoning, Arithmetic, Cognitive Development, Cognitive Structures
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Graeber, Anna O.; Tirosh, Dina – Educational Studies in Mathematics, 1990
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)
Descriptors: Arithmetic, Elementary Education, Elementary School Mathematics, Foreign Countries
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Graeber, Anna O.; Baker, Kay M. – Arithmetic Teacher, 1992
Presents teaching methods to rectify the tendency of students and even teachers to divide the smaller number into the larger in problem situations requiring division, while recognizing the impossibility of the answer in the situation. (MDH)
Descriptors: Beliefs, Cognitive Development, Concept Formation, Division
Peer reviewed Peer reviewed
Tirosh, Dina; Graeber, Anna O. – Educational Studies in Mathematics, 1989
Assessed are the extent to which the beliefs, "multiplication always makes bigger" and "division always makes smaller," are explicitly held by preservice elementary teachers. Insight into the sources of preservice teachers' beliefs and into the relationship among preservice teachers' beliefs, computational skills, and performance on word problems…
Descriptors: Arithmetic, Beliefs, Division, Elementary School Mathematics
Peer reviewed Peer reviewed
Graeber, Anna O. – Arithmetic Teacher, 1993
Discusses the two overgeneralizations "multiplications makes bigger" and "division makes smaller" in the context of solving word problems involving rational numbers less than one. Presents activities to help students make sense of multiplication and division in these situations. (MDH)
Descriptors: Cognitive Development, Concept Formation, Decimal Fractions, Division