Descriptor
| Addition | 1 |
| Behavioral Objectives | 1 |
| Educational Media | 1 |
| Elementary School Students | 1 |
| Inservice Teacher Education | 1 |
| Learning Processes | 1 |
| Mathematics Instruction | 1 |
| Pilot Projects | 1 |
| Sequential Learning | 1 |
Author
| Ashlock, Robert B. | 1 |
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Ashlock, Robert B. – Research Journal (University of Maryland), 1970
Descriptors: Addition, Behavioral Objectives, Educational Media, Elementary School Students
