This document provides an overview of several instructional design models and theories, including the ASSURE, ADDIE, Dick and Carey, Backward Design, Kemp, Kirkpatrick, Gerlach and Ely, and Kemp models. It describes the key steps and processes involved in each model for analyzing learners, setting objectives, designing instructional strategies, developing and evaluating formative and summative assessments. Links are provided to additional online resources describing each model in more detail.