Young children who understand the Big Idea that attributes can be used to sort collections into sets have a working knowledge of what a set is and how it is constructed. Experiences with attributes are central to developing this as they give a solid understanding of how we define collections of things.

© Erikson Institute’s Early Math Collaborative. Reprinted from Big Ideas of Early Mathematics: What Teachers of Young Children Need to Know (2014), Pearson Education.

Related Posts

Algebraic Thinking with Shoes

Cindy Collado and her preschool class at Stock School were involved in a shoe project that incorporated many math concepts through a variety of activities over the course of two months. The class started by taking a good look at their shoes and then talking and thinking about what they saw.