Learning goals: Teacher Facing Determine what information is needed to answer a question about large numbers, and explain (orally) how that information would help solve the problem. Use exponent rules and powers of 10 to solve problems in context, and explain (orally) the steps used to organize thinking. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 8.7 Exponents and Scientific Notation, Grade 8.