Descriptor
| Algorithms | 1 |
| Instruction | 1 |
| Instructional Materials | 1 |
| Manipulative Materials | 1 |
| Mathematics Education | 1 |
| Number Concepts | 1 |
| Secondary School Mathematics | 1 |
| Worksheets | 1 |
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| Mathematics Teacher | 1 |
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Peer reviewedMathematics Teacher, 1973
Patterns for a set of Napiers Bones and for a denominate number slide rule are provided, with instructions on how to use each of the calculating instruments. (DT)
Descriptors: Algorithms, Instruction, Instructional Materials, Manipulative Materials
