A kindergartner uses blocks to make groups that are larger than, smaller than, and equal to the instructor’s set, attempting to think central math concepts through.
Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence of children’s mathematical thinking. They are not teaching episodes or formal assessments.
Sets can be compared using the attribute of numerosity, and ordered by more than, less than, and equal to. More
Common Core Alignment
Operations and Algebraic Thinking More