A Developmental Letter Sequence | Write Start Handwriting Handwriting Instruction. A Developmental Letter Sequence; A Simple Alphabet Style; An Adult Instructor Models Letter Formation; Opportunity to Practice; SIMPLE Verbal Cues (3 to 5 words) Small Group Work. Cognitive Strategies Station. Cognitive Strategies: Activity Sheets; Dexterity and Motor Planning Station. Dexterity and Motor Planning Activity Sheets Developmental Progression of Handwriting Skills Jan 20, 2016An occupational therapist breaks down the developmental progression of handwriting skills, including pencil grasp and pre-writing development.