Descriptor
| Addition | 1 |
| Arithmetic | 1 |
| Computation | 1 |
| Elementary Education | 1 |
| Estimation (Mathematics) | 1 |
| Mathematics Education | 1 |
| Mathematics Skills | 1 |
| Number Concepts | 1 |
| Young Children | 1 |
Source
| Mathematical Cognition | 1 |
Author
| Dowker, Ann | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedDowker, Ann – Mathematical Cognition, 1997
Assesses the competence of children (N=215) between the ages of 5 and 9 at addition by asking them to estimate the answers to addition sums. Reports that children at higher levels tend to produce more reasonable estimates than children at lower levels. Discusses the existence and nature of a zone of partial knowledge and understanding. Contains 31…
Descriptors: Addition, Arithmetic, Computation, Elementary Education
