Which of the strategies that you learned about under the Course Content tab did you use to solve your question?

At one point you have to divide your answer by 22 students. That can be a tough question in grade 5 or 6. How could you use your understanding of multiplication to help you solve that part of the question? HINT: It has something to do with inverse operations (look it up).

How can you use estimation to tell whether your answers are too big or too small when you multiply?