Number sense is a group of skills that allow people to work with numbers. These skills are key to doing math — and many other tasks.
Cunningham, B. (2014-2020). What is number sense? Retrieved from Understood: https://www.understood.org/articles/en/number-sense-what-you-need-to-know
In this 2:15 video Dr. Sarah Powell reviews the five counting principles including stable order, correspondence, cardinality, abstraction, and order irrelevance. Counting skills are considered a gateway to other mathematics skills, such as simple arithmetic. Students should be provided with multiple practice opportunities to show that they have an understanding of the five counting principles and can apply skills to novel situations.
In this 9:27 video Dr. Doug Clements gives more information about early number knowledge. He presents this brief discussion delving into the key components of “early number knowledge” using Recommendation 1, “Teach number and operations using a developmental progression” from the What Work’s Clearinghouse practice guide Teaching Math to Young Children.
