Supply Chains and Points of Failure
A supply chain connects inputs, processing, transport and final delivery.
About 20 minutes, plus any extended practice
Open lesson 1Global Interdependence and Economic Choices
Trace supply networks, trade costs and distribution of gains and risks.
Before you begin
- Use opportunity costs, market concepts and denominator checks.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Tariffs Landed Cost and Model Scope
A tariff is a tax on an imported good.
About 20 minutes, plus any extended practice
Open lesson 2Trade Gains and Distribution Questions
Trade can change total production and prices while distributing gains and costs unevenly.
About 20 minutes, plus any extended practice
Open lesson 3Migration Remittances and Social Connections
International migration can connect labor markets, households and institutions across borders.
About 20 minutes, plus any extended practice
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.
Topic references
- NCSS C3 Framework: topic reference — Trace supply networks, trade costs and distribution of gains and risks.
These references informed the topic selection. They do not certify complete standards alignment.