This document provides an introduction to learning disabilities, including definitions, common types, prevalence, and interventions. It defines a learning disability as a neurological disorder that can interfere with processing or using language, reading, writing, math, or spelling. The most common types discussed are dyslexia, dyscalculia, dysgraphia, language processing disorders, and auditory processing disorders. Learning disabilities affect around 3 million students in the US and interventions focus on strengthening weaknesses and building on strengths through multisensory teaching methods and accommodations.