Descriptor
| Cognitive Processes | 2 |
| Elementary Education | 2 |
| Mathematics Education | 2 |
| Qualitative Research | 2 |
| Classroom Techniques | 1 |
| Concept Formation | 1 |
| Estimation (Mathematics) | 1 |
| Geometric Concepts | 1 |
| Geometry | 1 |
| Grade 3 | 1 |
| Imagery | 1 |
| More ▼ | |
Source
| Arithmetic Teacher | 2 |
Publication Type
| Guides - Classroom - Teacher | 2 |
| Journal Articles | 2 |
| Reports - Research | 1 |
Education Level
Audience
| Practitioners | 2 |
| Teachers | 2 |
Location
| Australia | 1 |
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedHapps, John; Mansfield, Helen – Arithmetic Teacher, 1992
Discusses how students construct mental images that aid estimation skills in the measurement of angles. Reports research identifying four strategies that students use to estimate sizes of angles. Strategies include utilization of the mental images of (1) a protractor; (2) a right angle; (3) a half-turn; and (4) angles of a polygon. (MDH)
Descriptors: Cognitive Processes, Concept Formation, Elementary Education, Estimation (Mathematics)
Peer reviewedFriel, Susan N. – Arithmetic Teacher, 1992
Provides excerpts from videotaped dialogue between two third grade students and their interactions with their teacher while solving a counting problem to describe student thinking and communication during the task. Discusses the teachers' role in the dialogue and implications for classroom practice. (MDH)
Descriptors: Classroom Techniques, Cognitive Processes, Elementary Education, Grade 3
