Descriptor
| Blindness | 1 |
| Elementary Education | 1 |
| Exceptional Child Research | 1 |
| Mathematics | 1 |
| Measurement Instruments | 1 |
| Sciences | 1 |
| Tactile Adaptation | 1 |
| Visual Impairments | 1 |
Source
| Education of the Visually… | 1 |
Author
| Franks, Frank L. | 1 |
| Huff, Roger | 1 |
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Franks, Frank L.; Huff, Roger – Education of the Visually Handicapped, 1977
Thirty-seven blind students (in grades 2, 3, and 4) were involved in a study to evaluate the tactile ruler familiarization unit (three vacuum-formed plastic sheets illustrating English, Metric, and English-Metric measurement units). (SBH)
Descriptors: Blindness, Elementary Education, Exceptional Child Research, Mathematics
