Two Countries, One Agreement
A 55-minute Grade 5 lesson on how a trade agreement creates dependence in both directions at once.
Two Countries, One Agreement is a free 55-minute Grade 3 to Grade 5 social studies lesson plan for Common Core standard D2.Eco.14.3-5 — explain how trade makes countries depend on each other. It is timed across 5 sections, gives the exact wording to use where the wording carries the mathematics, names 3 misconceptions with the teaching move that addresses each, and ends with an exit ticket and a printable worksheet with its answer key.
- Grade:
- Grade 3 to Grade 5
- Length:
- 55 minutes
- Standard:
- D2.Eco.14.3-5
Grade 3 to Grade 5 · Economics
D2.Eco.14.3-5
Explain how trade leads to increasing economic interdependence among nations.
Objective
Students will be able to explain the dependence a trade agreement creates on both sides.
Students are successful when they can
- Says what each side supplies and needs.
- Says what breaks at both ends if it fails.
- Names the gain and the risk together.
What you need
- The 1948 trade agreement
- String and cards to build the chain
- The printable practice sheet linked at the end of this plan
The lesson
Warm-up — read the clauses
5 min- Read all five clauses of the agreement aloud.
- Ask which clause each side insisted on.
Teach — dependence written down
18 min- Build the chain: timber one way, machine tools the other, fixed for five years.
- Name the dependence: one needs materials, one needs a buyer, and both need the other to hold.
- Break it at the timber end and describe both countries.
- Break it at the tools end and describe both again.
- Ask why the notice clause exists: to stop dependence becoming a trap.
- Ask why the reselling clause exists: to stop one side profiting from the other's scarcity.
- Say both halves: goods neither could get alone, and a failure abroad arriving at home.
“If this failed tomorrow, who would notice at each end?”
Guided practice — break the chain
17 min- Groups break each clause in turn and describe the consequence.
- They rank the clauses by how much protection each gives.
- Groups draft one further clause and say what it protects.
Independent practice
12 min- Students complete the 'Two Countries, One Agreement' page.
- Look for dependence named in both directions.
Close
3 min- Name one thing in the room that arrived through a chain like this.
What goes wrong, and why
Each of these is a reasoning error rather than carelessness. The fix addresses the reasoning.
Thinks only the buyer depends.
Why: Needing goods is the visible dependence.
Fix: Break it at the buying end. The seller has 500,000 tons and no agreed buyer.
Thinks a signed agreement removes risk.
Why: It is written down.
Fix: Fixed prices are a risk if the market moves. Ask which way.
Treats dependence as weakness.
Why: Depending sounds weak.
Fix: It is why either country got what it lacked. Name the gain and the risk.
If they are not there yet
- The agreement with one clause highlighted.
- Give the break and ask who is affected.
If they finish early
- Say which side the notice clause protects more.
- Draft a clause covering a fall in world prices.
- Explain why interdependence is not the same as dependence.
Exit ticket
The agreement exchanges timber for machine tools. Who depends on whom, and what breaks if it fails?
What to look for: Both sides named, with materials lost at one end and a buyer lost at the other. One direction only means the second half needs another run.
Printable practice for D2.Eco.14.3-5
Free to print and copy, answer key included. Each sheet can generate a fresh set of problems for a retake.
- Two Countries, One AgreementCircle the best answer.
Questions about Two Countries, One Agreement
How long does the Two Countries, One Agreement lesson take?
55 minutes, split across 5 timed sections: warm-up 5 min, teach 18 min, guided practice 17 min, independent practice 12 min, close 3 min. The minutes are stated per section and add up to the stated length, so the plan can be cut or extended at a section boundary rather than abandoned halfway.
Which standard does Two Countries, One Agreement teach?
D2.Eco.14.3-5 — D2.Eco.14.3-5, Economics for Grade 3 to Grade 5: “Explain how trade leads to increasing economic interdependence among nations.” In plain terms, explain how trade makes countries depend on each other.
What do I need to teach this lesson?
The 1948 trade agreement, string and cards to build the chain and the printable practice sheet linked at the end of this plan. Everything listed is either ordinary classroom equipment or a free printable from this site — there is nothing to buy and nothing to prepare beyond photocopying.
What mistakes should I expect in this lesson?
Three, each a reasoning error rather than carelessness: thinks only the buyer depends; thinks a signed agreement removes risk and treats dependence as weakness. The plan gives the thinking behind each one and the teaching move that addresses the thinking rather than the symptom.
How do I know whether the lesson worked?
The exit ticket asks: “The agreement exchanges timber for machine tools. Who depends on whom, and what breaks if it fails?.” Both sides named, with materials lost at one end and a buyer lost at the other. One direction only means the second half needs another run. That tells you whether the class needs a reteach or a thirty-second conversation before you plan tomorrow.
Is there a worksheet to go with Two Countries, One Agreement?
Yes — 1 printable D2.Eco.14.3-5 worksheet, linked at the end of the plan and free like the rest of the site. Each one comes with an answer key and 25 versions, so the practice after the lesson can be a different paper on every desk.
Is Two Countries, One Agreement free to use?
Yes. The plan, its printables and their answer keys are free to read, print and photocopy for your own class, with no account and no email capture. It was last reviewed on 7 September 2026. Please do not resell it or republish it as your own.
Last reviewed 2026-09-07. Aligned to D2.Eco.14.3-5 of the C3 Framework for Social Studies State Standards.