A child estimates the number of cubes in a collection.
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.
Why is this important?
More than 10 looks like a “bunch” to many preschoolers.
Sets can be compared using the attribute of numerosity, and ordered by more than, less than, and equal to. More
Quantity is an attribute of a set of objects and we use numbers to name specific quantities. More
Common Core Alignment
Counting and Cardinality More