Proportional Relationships

Proportional Relationships

We will learn about proportional relationships.

Standard NC.RP.2

• Recognize and represent proportional relationships between quantities

What We Will Learn

. Understand that a proportion is a relationship of equality between ratios.

. Represent proportional relationships using tables and graphs

. Recognize whether ratio are in a proportional relationship using tables and graphs.

. Compare 2 different proportional relationship using tables, graphs, equations, and verbal description

What You Need To Know

• Tables and graphs can be used to represent proportional relationships

• A straight line going through the origin of a graph represents a proportional relationship

• Tables, graphs, equations, and verbal description can all be used to represent proportional relationships

Vocabulary

Unit Rate Origin

Rate Independent Variable

Proportional Dependent Variable

Proportional Relationship

Essential Question

Parking for 4 hours cost $10.

Parking for 5 hours cost $12.

Is this a proportional relationship, and if so, what is the constant of proportionality?