Math . PROBLEM SOLVING. Teacher Tips. ACTIVITY #1. Maureen Curran and Mary Lou Aalbers Hazelwood School District. Problem Solving. These lessons are designed to reinforce the following State Math Standards:
Maureen Curran and Mary Lou Aalbers
Hazelwood School District
Sally and the Peanuts
Sally had peanuts in all!!
Working backwards is a good strategy to use with this problem since all you know is what she had at the end.