The purpose of this study was to examine how the three groups(students with
learning disabilities, low achieving students, and general peers) were different in
terms of performance levels and profiles of K-ABC sub-scales. A total of 30
elementary school students, including 10 students with learning disabilities and
another 10 low achieving students, took the K-ABC test. The following results
were obtained from the study. First, among the three groups, children with
mathematics learning disabilities gained the lowest scores in all areas of
cognition processing and the achievement scale. Children with mathematical
learning disabilities and underachieving children did not show any significant
differences in the sub-area of the sequential processing scale, although they
performed significantly less than their general peers. In the simultaneous scale,
the two groups with math learning problems gained significantly lower scores in
the number retrieval and the triangles test, but no significant difference in the
picture integration test. In the acquisition scale, the two groups with math
learning problems were similar but performed lower than the their peers.
Key words: K-ABC, math learning disabilities, math low achievemeent, cognitive processing characteristics.