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Financial literacy activity

Opportunity Cost Choices

Practice making choices! When you pick one thing, you cannot have the other. Learn that every choice means giving something up.

DiscussionAbout 20 minutesScreen-freeParent help expected

Materials and setup

How this changes by age

Pre-K (ages 3–4)

Practice making choices! When you pick one thing, you cannot have the other. Learn that every choice means giving something up.

Difficulty 1 of 3

Steps

  1. Hold up two favorite snacks: 'You can have one but not both. Which do you choose?'
  2. After the child picks, ask: 'What did you give up? Do you feel sad about not getting the other one?'
  3. Do this with three more pairs: two toys, two activities, two books.
  4. Explain: 'When you choose one thing, the thing you give up is called the opportunity cost.'
  5. Ask: 'Can you think of a time you had to choose between two fun things?'

Learning objectives

  • Understand that choosing one option means giving up another
  • Name what they gave up when making a choice
  • Begin to understand the concept of trade-offs

Kindergarten (ages 5–6)

Explore opportunity cost through fun scenarios. When you spend your money or time on one thing, what do you miss out on? Practice thinking about trade-offs before deciding.

Difficulty 2 of 3

Steps

  1. Give the child 5 play dollars. Show 3 items priced at 5 dollars each. They can only buy one.
  2. Before choosing, list what they would give up for each option. 'If I buy the toy, I give up the book and the game.'
  3. Make the choice. Discuss: 'Was it hard to decide? What was the opportunity cost?'
  4. Time scenario: 'You have 30 minutes. You can play outside OR draw. What do you choose and what do you give up?'
  5. Create a 'Choice Chart' with two columns: What I Chose and What I Gave Up.

Learning objectives

  • Define opportunity cost as what you give up when you make a choice
  • Identify the opportunity cost in both spending and time scenarios
  • Weigh multiple options before making a decision

Early elementary (ages 6–8)

Dive deeper into opportunity cost with real-life budget and time scenarios. Compare the benefits of each option, make informed decisions, and reflect on whether you would choose differently next time.

Difficulty 2 of 3

Steps

  1. Scenario 1: You have $20. Option A: movie ticket ($12) + snack ($8). Option B: new book ($15) + save $5. List pros and cons of each.
  2. Choose one. Write down the opportunity cost: what benefits did you miss from the option you did not pick?
  3. Scenario 2: Saturday plan. Option A: birthday party (fun with friends, miss soccer). Option B: soccer game (exercise, miss the party). What matters more to you?
  4. Discuss: 'Is there a right answer? Different people might choose differently based on what they value.'
  5. Think of a real choice you made this week. What was the opportunity cost? Would you choose the same again?

Learning objectives

  • Analyze trade-offs by listing pros and cons of each option
  • Recognize that opportunity cost applies to both money and time decisions
  • Reflect on personal values when making choices

Upper elementary (ages 8–10)

Apply opportunity cost thinking to complex decisions involving money, time, and long-term consequences. Analyze case studies, consider hidden costs, and debate whether certain trade-offs are worthwhile.

Difficulty 3 of 3

Steps

  1. Case Study 1: A family can spend $2,000 on a vacation OR invest it. If invested, it could grow to $3,000 in 5 years. What is the opportunity cost of the vacation? Of investing?
  2. Case Study 2: A student can spend summer at camp ($1,500) or start a lawn-mowing business (earn $800). Calculate financial and experiential opportunity costs for each choice.
  3. Discuss hidden opportunity costs: time spent studying means less free time. Is the long-term benefit (better grades, more options) worth the short-term cost?
  4. Research: Find a real business decision where a company chose one strategy over another. What was the opportunity cost?
  5. Write a persuasive paragraph arguing for one side of a tough trade-off. Then write the opposing argument.
  6. Reflect: How does thinking about opportunity cost help you make better decisions in daily life?

Learning objectives

  • Calculate and compare opportunity costs in complex financial scenarios
  • Identify hidden and long-term opportunity costs beyond immediate trade-offs
  • Construct persuasive arguments for both sides of a trade-off decision

Safety and evidence note

Read the full activity before beginning. An adult should supervise tools, heat, food, outdoor work, movement, and experiments as appropriate. Completion records that the activity was done; the child’s explanation, work sample, photo, or demonstration is stronger evidence of learning than a completion check alone.

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