Solving Proportional Relationship Problems Using Graphs

This lesson teaches how to answer questions about proportional relationships using graphs. It covers determining unit rates from graphs, solving problems with different methods, and provides examples like seating arrangements and stamp costs. The lesson encourages creativity in problem-solving and demonstrates multiple approaches to finding solutions.

What is the cost of mailing 15 invitations based on the graph provided?

Describe the two methods used to calculate the cost of stamps for 15 invitations.

What have you learned about proportional relationships from this lesson?