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Sullivan, W. Edward – 1995
This document plus diskette product provides nine interactive puzzles and games that both teach and provide practice with simple addition and subtraction concepts. The activities address these skills through carrying in addition and regrouping in subtraction. The activities address cognitive skills such as problem solving, planning, visual pattern…
Descriptors: Addition, Arithmetic, Courseware, Discovery Learning

Goff, Gerald K.; Troxel, Vernon E. – Arithmetic Teacher, 1979
Novel practice exercises for addition and subtraction using a special number puzzle called a number chain are suggested. (MK)
Descriptors: Addition, Discovery Learning, Drills (Practice), Educational Practices

Vest, Floyd – Arithmetic Teacher, 1978
An approach is illustrated that introduces selected models of addition and subtraction to students who have previously learned a model for either operation. (JT)
Descriptors: Addition, Discovery Learning, Elementary Education, Elementary School Mathematics

Mathematics Teacher, 1980
Practical tips on the teaching of subtraction, addition and subtraction of fractions, and finding the vertex of a parabola are given. (MK)
Descriptors: Addition, Algebra, Discovery Learning, Fractions

Schliemann, Analucia Dias; And Others – Journal of Mathematical Behavior, 1993
A 14-year-old Brazilian boy in the fourth grade was given 170 problems orally, each asking for the sum of 2 2-digit numbers. Responses indicated he had invented his own algorithm for addition, similar to the school one, based largely on his experiences with money. (Contains 13 references.) (JAF)
Descriptors: Addition, Algorithms, Case Studies, Computation

Nevin, Mary Lou – Arithmetic Teacher, 1992
Proposes the use of literature to introduce new mathematical concepts. Presents a story to develop the concept of grouping, and follows with 11 activities related to the story in which students use dramatization and manipulative materials to develop new groupings, predict outcomes, validate their predictions, and discuss findings to develop the…
Descriptors: Addition, Discovery Learning, Educational Games, Elementary Education
Pagni, David, Ed. – 1991
The National Science Foundation funded Calculators and Mathematics Project, Los Angeles (CAMP-LA) developed curriculum materials focused solely on the use of calculators. The project was developed in three stages. The first stage studied the mathematics curriculums from different states and identified topics that are not included but should be if…
Descriptors: Addition, Algebra, Arithmetic, Calculators
Pagni, David, Ed. – 1991
The National Science Foundation funded Calculators and Mathematics Project, Los Angeles (CAMP-LA) developed curriculum materials focused solely on the use of calculators. The project was developed in three stages. The first stage studied the mathematics curriculums from different states and identified topics that are not included but should be if…
Descriptors: Addition, Algebra, Arithmetic, Calculators