In this session, we will look at ways to interpret, model and work with rational numbers. We will examine various ways to determine the "unit" of the ratio we're expressing with a rational number and to explore the basics of proportional reasoning.

For information on required and/or optional materials, see Note 1.

Part A:	Interpreting Fractions, Units, and Unitizing
Part B:	Fractions With Cuisenaire Rods
Part C:	Absolute and Relative Reasoning
Homework

In this session, you will do the following:

Understand fractions in both part-part and part-whole interpretations

Understand units and unitizing

Learn how to use Cuisenaire Rods to represent and model computation with fractions

Understand the differences between absolute and relative thinking and their relationships to mathematical operations

Learn that proportional reasoning is an example of relative or multiplicative thinking

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:

New in This Session:

rational numbers

absolute comparison
part-part interpretation
part-whole interpretation
relative comparison

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