A Problem Soloving Approach to Mathematics, homework help

Design a reflection on one subject from Topic 3 or 4 that includes the following:

1. Consideration of the effect on elementary learners of mathematics
2. How you would possibly implement this into your teaching, now or in the future
3. Usefulness of the subject and applicability to elementary learners of mathematics
4. Application beyond the classroom setting

Chapter 3 is based on Whole numbers and their Operations, chapter 4 Number theory