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Peer reviewedBonotto, C. – Insegnamento della Matematica e delle Scienze Integrate, 1995
Attempted to verify knowledge regarding decimal and rational numbers in children ages 10-14. Discusses how pupils can receive and assimilate extensions of the number system from natural numbers to decimals and fractions and later can integrate this extension into a single and coherent numerical structure. (Author/MKR)
Descriptors: Cognitive Structures, Decimal Fractions, Elementary School Students, Elementary Secondary Education
Peer reviewedLiebeck, Pamela – Educational Studies in Mathematics, 1990
Children's responses to an alternative model over three lessons were described and their learning assessed in a posttest. Their responses and performances were compared to that of a similar group of children learning through a conventional number line model. The two models were compared from practical and theoretical viewpoints. (Author/CW)
Descriptors: Arithmetic, Cognitive Development, Cognitive Structures, Learning Strategies
