In the previous sessions, we explored many different topics related to measurement. You put yourself in the position of a mathematics learner, both to analyze your individual approach to solving problems and to get some insights into your own understanding of measurement topics. It may have been difficult to separate your thinking as a mathematics learner from your thinking as a mathematics teacher. Not surprisingly, this is often the case! In this session, however, we will shift the focus to your own classroom and to the approaches your students might take with mathematical tasks involving measurement. Note 1

For the list of materials that are required and/or optional in this session, see Note 2.

Part A:	The Concept of Area
Part B:	Reasoning About Measurement
Part C:	Problems That Illustrate Measurement Reasoning
Homework

In this session, you will do the following:

Explore the development of the concept of area in the elementary grades

Examine students' understanding of area and perimeter relationships

Investigate instructional tasks on area that are developmentally appropriate for elementary school students

Explore how you might teach related measurement topics

Throughout the session you will be prompted to view short video segments. In addition to these excerpts, you may choose to watch the full-length video of this session.

Previously Introduced:

area

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