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Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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Buyers & Sellers

Life Skills · Entrepreneurship · conceptual

When someone makes or has something, they can sell it; when someone wants something, they can buy it; introduction to the concept of exchange and transactions

What mastery looks like

  • Explain what a buyer does and what a seller does
  • Act out a simple buying and selling transaction with a partner
  • Describe a time they or a family member bought something from a person (market stall, car boot sale, bake sale)

Check your understanding

If Buyers & Sellers set up a stall at a school fair, could they explain who the buyers and sellers are and what each person does?