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| Addition | 3 |
| Elementary Education | 3 |
| Elementary School Mathematics | 3 |
| Mathematics Curriculum | 3 |
| Mathematics Instruction | 3 |
| Multiplication | 3 |
| Number Concepts | 3 |
| Subtraction | 3 |
| Algorithms | 2 |
| Diagrams | 2 |
| Geometric Concepts | 2 |
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Author
| Heidema, Clare | 3 |
| Schweitzer, Janis | 1 |
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| Guides - Classroom - Teacher | 3 |
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Heidema, Clare; And Others – 1979
This two-volume teacher's guide is to be used with a first-semester, third-grade mathematics program. The program is in large part the outgrowth of involvement with children and was influenced by information gathered in an extended pilot project conducted nationwide during 1975-79. The manner of presentation and the pedagogical ideas and tools are…
Descriptors: Addition, Algorithms, Diagrams, Elementary Education
Heidema, Clare; And Others – 1979
This two-volume teacher's guide is to be used with a second-semester, third-grade mathematics program. The program is in large part the outgrowth of involvement with children and was influenced by information gathered in an extended pilot project conducted nationwide during 1975-79. The manner of presentation and the pedagogical ideas and tools…
Descriptors: Addition, Algorithms, Diagrams, Elementary Education
Heidema, Clare; Schweitzer, Janis – 1978
This guide represents the final experimental version of a pilot project conducted in the United States between 1973 and 1976. The ideas and manner of presentation are based on the works of Georges and Frederique Papy. They are recognized as having introduced colored arrow drawings ("papygrams") and models of our numeration system (the…
Descriptors: Addition, Curriculum Development, Curriculum Guides, Elementary Education


