DYSCALCULIA: A formal definition published by the American Psychiatric Association (2013) defines dyscalculia: Developmental Dyscalculia (DD) is a specific learning disorder that is characterized by impairments in learning basic arithmetic facts, processing numerical magnitude and performing accurate and fluent calculations. These difficulties must be quantifiably below what is expected for an individual’s chronological age, and must not be caused by poor educational or daily activities or by intellectual impairments.
CALT is a professional credential to describe an individual who has the expertise to provide services to individuals who have difficulty acquiring the basic language skills necessary to read, write and spell. CALTs have a deep knowledge of the structure of the English language and the experience to apply these skills in creating an individualized treatment plan for the remediation of dyslexia and related learning disorders.
Take Flight: A Comprehensive Intervention for Students with Dyslexia is a two-year Orton-Gillingham based curriculum written by the staff of the Luke Waites Center for Dyslexia and Learning Disorders at Texas Scottish Rite Hospital for Children in Dallas.