Part of the Big Ideas

Sets can be compared using the attribute of numerosity, and ordered by more than, less than, and equal to.

Some situations require comparing sets to answer the questions “how many more?” or “how many fewer?”.  Cultivating an understanding of comparison and ordering helps children build the understanding they need to think about a set in relationship to other sets and begin to make comparisons between numbers.  Familiarity with this idea prepares children to address questions they will encounter in first and second grade, such as “If Ilan has ten crackers and Juanita has 8, how many more does Ilan have?

Foundational Math Concepts

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