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Peer reviewedBidwell, James K. – School Science and Mathematics, 1975
Activities involving set union and intersection, graphing solutions of open sentences, and negation are described. These activities afford students with opportunities for computational practice as well as instruction on equations and inequalities. (SD)
Descriptors: Elementary Education, Elementary School Mathematics, Graphs, Inequalities
Peer reviewedWebb, Leland F. – School Science and Mathematics, 1976
Rational points in the plane were defined as points having both coordinated rational. Students solved several problems linking rational points with lines, circles, and other geometric figures. (SD)
Descriptors: Algebra, Geometry, Graphs, Instruction
Peer reviewedSaenger, Robert M. – School Science and Mathematics, 1976
Using the methods described, pattern representation of operations in modular systems can be developed. (SD)
Descriptors: Display Systems, Elementary School Mathematics, Elementary Secondary Education, Graphs
