Karen Cornell says:
This short article explains what number sense is and why it is important. Much like foundational reading skills, number skills need to be broken down and taught to students. I like this article because it explains number skills and also ways to develop the skills with students. I think it is important to understand the different ways this skill can be developed. One of the ways I would have overlooked at first is the method of playing math games with students, but is really so important.