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| Arithmetic Teacher | 2 |
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| Journal Articles | 2 |
| Guides - Classroom - Teacher | 1 |
| Reports - Descriptive | 1 |
| Reports - Research | 1 |
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Peer reviewedPateman, Neil – Arithmetic Teacher, 1989
Summarizes two examples of cooperative activities developed in Australia between teachers and teachers and other professionals. Discusses what has been learned from the examples. (YP)
Descriptors: Classroom Research, Foreign Countries, Inservice Teacher Education, Mathematics Education
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)
