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Flexer, Roberta J. – Teaching Exceptional Children, 1989
A strategy is presented for teaching arithmetic to students with mental retardation, based on subitizing, skill of recognizing number of objects in a set without actually counting, and pattern recognition. The strategy helps children understand concept of addition by representing number configurations on 5-frames and 10-frames, and reduces need…
Descriptors: Addition, Elementary Education, Mental Retardation, Number Concepts

Litwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1974
Descriptors: Addition, Elementary School Mathematics, Instruction, Mathematical Enrichment

Caldwell, Janet – Mathematics Teacher, 1978
An activity that offers computational practice, pattern recognition, and the formulation of generalizations is described. (JT)
Descriptors: Addition, Enrichment Activities, Mathematical Enrichment, Number Concepts
Duncan, David; Litwiller, Bonnie – Teacher, 1974
Article is a demonstration lesson in elementary school mathematics that concentrates on mathematical patterns. (GB)
Descriptors: Addition, Arithmetic, Elementary School Mathematics, Mathematics Instruction

Zalewski, Donald L. – Arithmetic Teacher, 1974
Descriptors: Addition, Cognitive Processes, Critical Thinking, Elementary School Mathematics

DiDomenico, Angelo S. – Mathematics Teacher, 1985
Deriving all Pythagorean triples from simple patterns within an addition table is presented, with formulas included. (MNS)
Descriptors: Addition, Geometric Concepts, Learning Activities, Mathematics

Litwiller, Bonnie H.; Duncan, David R. – Arithmetic Teacher, 1985
Three activities and patterns involving the addition table are described, each involving pentagons. (MNS)
Descriptors: Addition, Drills (Practice), Elementary Education, Elementary School Mathematics
Lindeman, Donna – 1980
This booklet offers teacher instructions and student worksheets on number activities for gifted primary grade students. Three sections are included: (1) "moving numbers" which asks students to supply the missing member or members of addition and subtraction equations; (2) "number trails," which involve the completion of number…
Descriptors: Academically Gifted, Addition, Graphs, Instructional Materials
Gronert, Joie; Marshall, Sally – 1979
Activities and games which use dominoes to reinforce basic arithmetic skills are presented. Instructions and materials are provided for the activities and games, most of which involve addition and subtraction. Other skill areas which are covered include recognition and matching of domino patterns, multiplication, and division. A seven-item list of…
Descriptors: Addition, Arithmetic, Division, Educational Games

Duncan, David R.; Litwiller, Bonnie H. – Arithmetic Teacher, 1986
Practice on computation is provided using new and novel situations, with discovery of number patterns a bonus of the computation. Activities with disguised addition and multiplication tables for whole numbers and integers are presented for varying levels. (MNS)
Descriptors: Addition, Computation, Drills (Practice), Elementary School Mathematics