3.3 Wrapping Up Addition and Subtraction Within 1,000 · Lesson 6: Use Strategies and Algorithms to AddLesson plan
Learning goals: Teacher Facing Add within 1,000 using an algorithm or another strategy based on the numbers being added. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 3.3 Wrapping Up Addition and Subtraction Within 1,000, Grade 3.