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Jacobs, Jennifer A. – ProQuest LLC, 2013
Adults are prone to treating percents, one representational format of rational numbers, as novel cases of natural number. This suggests that percent values are not differentiated from natural numbers; a conceptual shift from the natural numbers to the rational numbers has not yet occurred. This is most surprising, considering people are inundated…
Descriptors: Numbers, Statistics, Algebra, Problem Solving
Lewis, Virginia Vimpeny – ProQuest LLC, 2011
Number Concepts; Measurement; Geometry; Probability; Statistics; and Patterns, Functions and Algebra. Procedural Errors were further categorized into the following content categories: Computation; Measurement; Statistics; and Patterns, Functions, and Algebra. The results of the analysis showed the main sources of error for 6th, 7th, and 8th…
Descriptors: Problem Solving, Concept Formation, Number Concepts, Grade 6