Descriptor
| Calculus | 1 |
| Control Groups | 1 |
| Feedback (Response) | 1 |
| Intervention | 1 |
| Mathematical Logic | 1 |
| Mathematics Teachers | 1 |
| Number Concepts | 1 |
| Numbers | 1 |
| Pretests Posttests | 1 |
| Prior Learning | 1 |
| Secondary Education | 1 |
| More ▼ | |
Source
| International Group for the… | 1 |
Author
| Merenluoto, Kaarina | 1 |
Publication Type
| Reports - Research | 1 |
| Speeches/Meeting Papers | 1 |
Education Level
| Secondary Education | 1 |
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textMerenluoto, Kaarina – International Group for the Psychology of Mathematics Education, 2003
The starting point for this study was the resistant nature of prior knowledge in conceptual change from natural numbers to rational numbers observed in our previous study. Thus, in this study the effects of deliberately teaching the abstraction of the density of numbers on the number line was tested in a quasi-experimental study at the beginning…
Descriptors: Control Groups, Numbers, Prior Learning, Number Concepts
