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Melrose, Jean; Rowe, Susan – Mathematics in School, 1989
Describes number strips, arrow diagrams, and grids for number operations. Provides diagrams for the activity materials. (YP)
Descriptors: Arithmetic, Educational Games, Elementary Education, Elementary School Mathematics

Haigh, Gordon – Mathematics in School, 1990
Discusses a number series made from the multiplication of numbers to digits. Presents a number series for diverse multiplication numbers. (YP)
Descriptors: Arithmetic, Computation, Elementary Education, Elementary School Mathematics

Thwaites, G. N. – Mathematics in School, 1989
Discusses a counting system and number operations. Suggests six distinct areas in a "number" subject: one-to-one correspondences; simple counting process; complicated counting process; addition and multiplication; algorithms for the operations; and the decimal system. (YP)
Descriptors: Arithmetic, Computation, Elementary School Mathematics, Mathematical Concepts

McAuley, Joe – Mathematics in School, 1990
Provides methods of teaching negative number operations, including addition, subtraction, and multiplication. Presents examples and activities for the operations. (YP)
Descriptors: Addition, Arithmetic, Computation, Integers