iCivics
I Civics: Diplomacy
Students will develop an understanding of negotiation, sanctions, and other elements used in diplomatic relationships.
TES Global
Blendspace: Effective Communication
A learning module with links to texts, images, and videos on how to communicate effectively.
Other
Focusing on Interests Rather Than Positions Conflict
This site contains six rules to follow that will reduce conflict and increase cooperation when negotiating.
Other
International Monetary Fund: Trading Around the World
An interactive simulation and role-playing activity based on a fast-paced game that challenges the player to buy low and sell high. The simulation is a trading model that matches the player with computerized traders from around the world.
Other
Problem Solving/negotiation
This site is an advertisement, but it has some good information regarding the negotiation process, e.g., seven steps that are common to all negotiations.