Children who are aware of the Big Idea that sets can be compared and ordered know that organizing things into groups makes it easier to figure out what we have more and less of.
© Erikson Institute’s Early Math Collaborative. Reprinted from Big Ideas of Early Mathematics (2014), Pearson Education.
A child makes different groups out of a collection of keys.
Do the children in your classroom know each other’s names? At winter break, are they still pointing to “that girl.” Doing activities in the early weeks of school that use the children’s own names will do wonders for building your classroom community. At the same time, you can be doing math—as well as literacy!
A student organizes a collection of keys in different ways.
A student organizes rocks into different groups based on their unique characteristics.