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A. Difficulties in production or comprehension of quantities, numerical symbols, or basic arithmetic operations that are not consistent with the
person's chronological age, educational opportunities, or intellectual abilities.
Multiple sources of information are to be used to assess numerical, arithmetic, and arithmetic-related abilities, one of which must be an
individually administered, culturally appropriate, and psychometrically sound standardized measure of these skills.
B. The disturbance in criterion A, without accommodations, significantly interferes with academic achievement or activities of daily living that
require these numerical skills.
DSM IVMathematics Disorder
A. Mathematical ability, as measured by individually administered standardized tests, is substantially below that expected given the person's chronological age, measured intelligence, and age-appropriate education.
B. The disturbance in Criterion A significantly interferes with academic achievement or activities of daily living that require mathematical ability.
C. If a sensory deficit is present, the difficulties in mathematical ability are in excess of those usually associated with it.
Coding note: If a general medical (e.g., neurological) condition or sensory deficit is present, code the condition on Axis III.
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