Descriptor
| Arithmetic | 1 |
| Computation | 1 |
| Elementary School Mathematics | 1 |
| Mathematical Concepts | 1 |
| Mathematics Curriculum | 1 |
| Mathematics Skills | 1 |
| Number Concepts | 1 |
| Number Systems | 1 |
| Numbers | 1 |
| Place Value | 1 |
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| Mathematics in School | 1 |
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| Thwaites, G. N. | 1 |
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| Journal Articles | 1 |
| Opinion Papers | 1 |
| Reports - Descriptive | 1 |
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Peer reviewedThwaites, 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
