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Teaching Fractions Using Manipulatives.
Peer reviewed Peer reviewed
Krach, Mike – Ohio Journal of School Mathematics, 1998
Illustrates the addition, subtraction, and representation of fractions using an area model and a measurement model. Also demonstrates multiplication and division of fractions by employing the area model. (ASK)
Descriptors: Arithmetic, Elementary Secondary Education, Fractions, Manipulative Materials
Compounding Ratios and Intervals: An Educational Approach in Mathematics and Music.
Peer reviewed Peer reviewed
Abdounur, Oscar Joao – Teaching Mathematics and Its Applications, 2002
Considers educational aspects of the development of ratio and proportion focusing on the arithmetization undergone by these concepts in light of the relationship between mathematics and music. Investigates the instructional aspects of compounding ratios. Points out features of the differences between identity and proportion which can be…
Descriptors: Arithmetic, Concept Formation, Elementary Secondary Education, Higher Education
Lines of Thought: A Ratio and Operator Model of Rational Numbers.
Peer reviewed Peer reviewed
Carraher, David William – Educational Studies in Mathematics, 1993
Presents a model of rational number using pairs of line segments which can embody ratios of numbers. Actions upon these segments can embody arithmetical operations. Discusses tasks in a computer environment for bringing out diverse algebraic and geometric meanings of rational numbers. (Contains 23 references.) (MKR/Author)
Descriptors: Algebra, Arithmetic, Concept Formation, Elementary Secondary Education
Just Say "Charge It!"
Peer reviewed Peer reviewed
Yarema, Connie H.; Sampson, John H. – Mathematics Teacher, 2001
Describes a credit-card-debt activity that allows students to increase their awareness of underlying mathematical concepts relevant to the world of commerce and personal finance through learning geometric and arithmetic sequences. (KHR)
Descriptors: Arithmetic, Concept Formation, Curriculum Development, Economics
Fourth-Grade Book. Curriculum and Evaluation Standards for School Mathematics Addenda Series, Grades K-6.
Burton, Grace; And Others – 1992
The "Curriculum and Evaluation Standards for School Mathematics" (1989) provides a vision and a framework for revising and strengthening the K-12 mathematics curriculum in North American schools and for evaluating both the mathematics curriculum and students' progress. The document not only addresses what mathematics students should…
Descriptors: Arithmetic, Concept Formation, Curriculum Development, Curriculum Enrichment
Fifth-Grade Book. Curriculum and Evaluation Standards for School Mathematics Addenda Series, Grades K-6.
Burton, Grace; And Others – 1992
The "Curriculum and Evaluation Standards for School Mathematics" (1989) provides a vision and a framework for revising and strengthening the K-12 mathematics curriculum in North American schools and for evaluating both the mathematics curriculum and students' progress. The document not only addresses what mathematics students should…
Descriptors: Arithmetic, Concept Formation, Curriculum Development, Curriculum Enrichment