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| Addition | 1 |
| Discovery Learning | 1 |
| Drills (Practice) | 1 |
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| Subtraction | 1 |
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| Arithmetic Teacher | 1 |
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| Goff, Gerald K. | 1 |
| Troxel, Vernon E. | 1 |
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Peer reviewedGoff, Gerald K.; Troxel, Vernon E. – Arithmetic Teacher, 1979
Novel practice exercises for addition and subtraction using a special number puzzle called a number chain are suggested. (MK)
Descriptors: Addition, Discovery Learning, Drills (Practice), Educational Practices
