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| Demby, Agnieszka | 1 |
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Peer reviewedDemby, Agnieszka – Educational Studies in Mathematics, 1993
A class of 32 fourth graders, who studied inverse operations in grades 1-3, was given 3 written tests, each followed by an interview, to see how well they could simplify computations using inverse operations. Most could not evaluate 28 + 75 - 75, for example, without performing all operations. (GW)
Descriptors: Arithmetic, Computation, Elementary Education, Elementary School Mathematics
