How To Teach Number Concept with Effective Tools

How do children develop the concept of number?  What are the most effective ways of teaching the number concept?  What is the role of prerequisite skills in learning number concepts? What is dyscalculia?  This video introduces some of the strategies to answer these difficult questions.

Many children have difficulty learning and automatizing arithmetic facts (addition, subtraction, multiplication and division).  In this video, I demonstrate the strategies and processes of mastering number concept. I believe almost all children can automatize arithmetic facts with strategies if they have mastred number concept properly.

https://www.youtube.com/watch?v=1zd9BUDWfNs