Descriptor
| Algorithms | 1 |
| Difficulty Level | 1 |
| Elementary School Mathematics | 1 |
| Learning Problems | 1 |
| Multiplication | 1 |
| Research | 1 |
| Task Analysis | 1 |
Source
| Journal for Research in… | 1 |
Author
| Cromer, Fred Eugene | 1 |
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Peer reviewedCromer, Fred Eugene – Journal for Research in Mathematics Education, 1974
Difficulty levels of 168 randomly generated multiplication problems were obtained by testing 238 fifth-graders. Variables concerning the number of operations, digits carried, and magnitude of the digits were defined, and a least-squares procedure was used to construct structural models accounting for 60-70 per cent of observed problem difficulty…
Descriptors: Algorithms, Difficulty Level, Elementary School Mathematics, Learning Problems
