Practice Essentials
According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), learning disorders are among the most frequently diagnosed developmental disorders in childhood. Children experiencing a deficit in one learning domain frequently show deficits in other domains likely due to shared genetic variance.
The definition of a mathematics learning disorder includes well below average mathematical academic performance for age that is not attributable to an intellectual disability (which is defined by IQ below 70) or a predefined discrepancy between IQ and the affected learning domain.