Specific learning disabilities are ________ and examples are ________ (impaired ability in reading or spelling), ________ (impaired ability in handwriting), and ________ (impaired ability in arithmetic). rare; dysgraphia; dyslexia; dyscalculia rare; dyslexia; dysgraphia; dyscalculia common; dysgraphia; dyslexia; dyscalculia common; dyslexia; dysgraphia; dyscalculia