Descriptor
| Addition | 1 |
| Discovery Learning | 1 |
| Elementary School Mathematics | 1 |
| Instruction | 1 |
| Instructional Materials | 1 |
| Mathematics Education | 1 |
| Modern Mathematics | 1 |
| Patterns in Mathematics | 1 |
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| Arithmetic Teacher | 1 |
Author
| Meconi, L. J. | 1 |
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Peer reviewedMeconi, L. J. – Arithmetic Teacher, 1972
Patterns in an array of numerals are analyzed; suggestions are given for guided discovery activities leading to a discussion of the properties of identity, closure, commutativity, inverses, and associativity. (DT)
Descriptors: Addition, Discovery Learning, Elementary School Mathematics, Instruction
