How would you define place value, where does it sit within number sense and numeracy, and how would you ensure that children in your class understand

This paper is for a primary school teaching degree

How would you define place value, where does it sit within number sense and numeracy, and how would you ensure that children in your class develop a good understanding of place value?

Introduction
A brief description of the purpose of the essay/paper.

Main body of essay/paper with appropriate headings addressing the following questions:
What are number sense and numeracy?
What is place value and how is it related to number sense and numeracy?
What are the important things children should know relating to place value?
What factors can impact on students developing place value understanding?
What misconceptions around place value can be developed by children and how can they be addressed?

Conclusion
What are the important points from your essay/paper?

Reference List

Appendix (if required)