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Creswell, John L.; Wiscamb, Margaret – School Science and Mathematics, 1970
Presents techniques and materials for instruction at secondary school and upper elementary grades in mathematical concepts of number systems structure. Grouping is used as a simple algebraic system to illustrate structure. Closure, inverse, identity, commutative and associative properties are examines relative to manipulation of geometric figureS.…
Descriptors: Algebra, Geometric Concepts, Instruction, Mathematical Concepts
Peer reviewed Peer reviewed
Smith, William D. – Mathematics Teacher, 1974
Descriptors: Algebra, Instruction, Mathematical Concepts, Mathematical Enrichment