Study guide: Making Things, Trading and Choosing
Explain inputs, exchange and simple trade-offs.
Ideas to explain in your own words
- Production uses natural resources, human work and capital goods such as tools or machines. A finished product is an output. Money can pay for inputs, but money itself is not the same as every productive resource. The fictional bakery and workshop examples show the distinction.
- Specialization means focusing work on particular tasks or products. People who specialize often depend on others for different goods and services. Trade connects them. A supply interruption can affect more than one worker. Specialization does not mean a person can do only one thing for life.
- A budget limit means not every possible purchase fits. A cost is the amount used for an item. Affordable means the total fits the stated limit, not that an item is useful or necessary. Money remaining equals the limit minus spending. All amounts here are fictional.
- When a choice prevents another use of limited resources, its opportunity cost is the next-best alternative forgone. It is not every possible alternative added together. A stated preference order helps identify the next-best choice. A monetary cost and an opportunity cost are different concepts.
Useful vocabulary
- Natural resource
- a resource from nature used in production
- Human resource
- people’s work and skills
- Specialization
- focusing work on a particular task or product
- Interdependence
- relying on others for different needed work or products
- Fits with money left
- the total cost is strictly below the stated budget
- Exceeds the limit
- the total cost is greater than the stated budget
- Chosen option
- the activity actually selected
- Opportunity cost
- the next-best available alternative forgone
Watch your reasoning
- Mixing up Natural resource and Human resource. Re-read what each note says before choosing.
- Adding a detail that is not on the card. Point to the words that help explain your answer.
A worked review example
Worked example: The card says: “A fictional workshop uses timber.” That matches Natural resource. Natural resource is a resource from nature used in production. Compare the note for Capital good: Capital good is a produced tool or machine used to make other goods. That is a different clue.
Make a practice plan
- Read or listen to the notes in the four lessons. An adult can read aloud.
- Try each lesson’s main question and three practice questions. Say, draw or write what helped you choose.
- Use the review cards, then try the changed card in any lesson you want to practice again.
- Complete the four-box task. Then try the separate subject-test cards.