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Diagonal Sums: Practice, Discovery, and Proof
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Litwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1974
Descriptors: Addition, Elementary School Mathematics, Instruction, Mathematical Enrichment
The Addition Table: Experiences in Practice-Discovery
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Hervey, Margaret A.; Litwiller, Bonnie H. – Arithmetic Teacher, 1972
Descriptors: Addition, Arithmetic, Discovery Learning, Elementary School Mathematics
Structure: A Different Look at LCM and GCF
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Hervey, Margaret A.; Litwiller, Bonnie H. – School Science and Mathematics, 1970
Descriptors: Addition, Arithmetic, Elementary School Mathematics, Instruction
Pentagonal Patterns in the Addition Table.
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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
Games, Patterns, and Pascal's Triangle
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Duncan, David R.; Litwiller, Bonnie H. – School Science and Mathematics, 1973
Descriptors: Addition, Elementary School Mathematics, Integers, Mathematical Enrichment
IDEAS.
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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