Grade 5 Module 3. Grade 5 Module 3. Addition and Subtraction of Fractions. Eureka Essentials: Grade 5 URL An outline of learning goals, key ideas, pacing suggestions, and more! Teach Eureka Lesson Breakdown URL. Downloadable Resources Page. Teacher editions, student materials, application problems, sprints, etc. Application Problems Page. Files for printing or for projecting on the screen.