2.2 Adding and Subtracting within 100 · Lesson 3: Add or Subtract to Solve Story ProblemsLesson plan
Learning goals: Teacher Facing Describe their methods using place value understanding. Solve story problems involving addition and subtraction within 100 without composing or decomposing a ten. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 2.2 Adding and Subtracting within 100, Grade 2.