Doing One Thing Well is a free printable Grade 3 to Grade 5 social studies worksheet on why people specialise and then trade, aligned to Common Core standard D2.Eco.4.3-5. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 1 of 25 · the same problems every time you open this link.
B.A way to trade what you made for what you did not
C.A large family
2.Why did the valley send corn to the town and get manufactured goods back?
A.Corn will not keep
B.Each place made what it was better placed to make and traded the rest
C.The town had no fields
3.Why did the railway make specialising easier in the valley?
A.Farmers worked harder
B.Trains carry corn only
C.Goods could reach a wider market in one hour instead of a day
4.What is the risk of specialising in one thing?
A.You get bored
B.Your tools rust
C.If demand for that one thing falls, you have nothing else to sell
5.Why did the miller not also make the barrels?
A.Barrels are heavy
B.The cooper had the tools and skill, so the miller bought barrels instead
C.Millers work at night
6.Why does the blacksmith not also grow his own corn?
A.He earns more in the hours he spends at the forge than at the plough
B.He dislikes fields
C.Corn is illegal
7.Why does the farmer not shoe his own horses?
A.Horses object
B.The blacksmith does it faster and better, so trading is cheaper for both
C.Farmers cannot lift hammers
8.The wharf labourers specialised in canal cargo. What happened in 1846?
A.They became farmers at once
B.The canal was filled in
C.The railway took the cargo and their one skill lost its market
LessonPrint · D2.Eco.4.3-5 · Set 1 · free to copy for classroom use
Answer key — Doing One Thing Well
Set 1. Prints on its own sheet.
1.A way to trade what you made for what you did not
2.Each place made what it was better placed to make and traded the rest
3.Goods could reach a wider market in one hour instead of a day
4.If demand for that one thing falls, you have nothing else to sell
5.The cooper had the tools and skill, so the miller bought barrels instead
6.He earns more in the hours he spends at the forge than at the plough
7.The blacksmith does it faster and better, so trading is cheaper for both
8.The railway took the cargo and their one skill lost its market
Questions about Doing One Thing Well
What does the Doing One Thing Well worksheet cover?
It practises why people specialise and then trade — 8 questions for Grade 3 to Grade 5, all on Common Core D2.Eco.4.3-5: Explain why people and businesses each do one thing and then trade. The instruction to pupils is “Circle the best answer”, and the answer key follows on the next sheet.
Which Common Core standard does Doing One Thing Well practise?
D2.Eco.4.3-5 — D2.Eco.4.3-5, in the Economics domain for Grade 3 to Grade 5. The published standard reads: “Explain why individuals and businesses specialize and trade.” The worksheet assesses that standard rather than a paraphrase of it.
What age or grade is this worksheet for?
Doing One Thing Well is written for Grade 3 to Grade 5, typically ages 40-41. It is one of the sheets on D2.Eco.4.3-5, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.
Does Doing One Thing Well come with an answer key?
Yes. All 8 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.
How many different versions of Doing One Thing Well can I print?
25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.
Is Doing One Thing Well free to print and photocopy?
Yes. Doing One Thing Well, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.
Is there a lesson plan to teach D2.Eco.4.3-5?
Yes — “Doing One Thing, Trading for the Rest” is a 45-minute Grade 3 to Grade 5 plan for D2.Eco.4.3-5, timed section by section, with the misconceptions to expect and an exit ticket. Doing One Thing Well is the practice that follows it.
More practice for D2.Eco.4.3-5
Explain why people and businesses each do one thing and then trade.