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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
Piel, John A.; Green, Michael – Focus on Learning Problems in Mathematics, 1994
Argues that intuitive and computational knowledge can be combined by focusing more explicitly on referential and quantitative meanings in division of fractions problems. Recommends teaching mathematics as problem solving, communication, reasoning, and connections to help students overcome misunderstandings and connect their intuitive knowledge…
Descriptors: Computation, Division, Education Majors, Fractions
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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
Peer reviewed Peer reviewed
Hawkes, Stephen J. – Journal of Chemical Education, 1998
Argues that consideration should be given to whether teaching solubility product calculations is at all useful. Claims that experienced teachers seriously misunderstand and misuse solubility product calculations. (DDR)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, Cognitive Processes