Why people specialize and trade, and how coins replaced barter
Grade 6 Social Studies Worksheet

Circle the best answer.
What does the salt maker want, by Bo's first chain?
- A basket
- A coil of rope
- Salt
- Grain
What does the basket maker want, by Esme's first chain?
Use the picture in question 1.
- Baskets
- Salt
- A rope
- Grain
Why does no swap happen between the salt maker and the basket maker, by Jun's chain?
Use the picture in question 1.
- Each side must want what the other has
- The salt maker has no salt
- The basket maker has no baskets
- Salt and baskets weigh the same
Cause and effect chain "Goods that spoil (an example)": [1] a farmer's fresh fruit spoils if it waits; [2] the farmer cannot keep the fruit for a trade months away; [3] future swaps are hard to plan; [4] people want something that keeps its value and that others accept. Arrows: 1 → 2, 2 → 3, 3 → 4. Example, made up for practice: fresh fruit stands for any good that spoils. Cause and effect chain "Goods that spoil (an example)": [1] a farmer's fresh fruit spoils if it waits; [2] the farmer cannot keep the fruit for a trade months away; [3] future swaps are hard to plan; [4] people want something that keeps its value and that others accept. Arrows: 1 → 2, 2 → 3, 3 → 4. Example, made up for practice: fresh fruit stands for any good that spoils. Goods that spoil (an example) [1] a farmer's fresh fruit spoils if it waits [2] the farmer cannot keep the fruit for a trade months away [3] future swaps are hard to plan [4] people want something that keeps its value and that others accept Example, made up for practice: fresh fruit stands for any good that spoils. What happens to fresh fruit that waits, by Kira's second chain?
- It becomes a basket
- It grows more valuable
- It turns into gold
- It spoils
Why are swaps months away hard to plan, Luz asks?
Use the picture in question 4.
- Fruit grows more valuable as it waits
- No one wants fruit in any season
- Potters refuse to swap
- The farmer cannot keep fruit for later
Cause and effect chain "Time lost to swapping": [1] finding the right person to swap with takes a long time; [2] workers spend that time bartering instead of making goods; [3] less is made, and the economy grows slowly; [4] money, which sellers accept for any good, solves these problems. Arrows: 1 → 2, 2 → 3, 3 → 4. Cause and effect chain "Time lost to swapping": [1] finding the right person to swap with takes a long time; [2] workers spend that time bartering instead of making goods; [3] less is made, and the economy grows slowly; [4] money, which sellers accept for any good, solves these problems. Arrows: 1 → 2, 2 → 3, 3 → 4. Time lost to swapping [1] finding the right person to swap with takes a long time [2] workers spend that time bartering instead of making goods [3] less is made, and the economy grows slowly [4] money, which sellers accept for any good, solves these problems What does time spent bartering cost, by Milo's third chain?
- Prices fall to zero
- More is made
- Money disappears
- Less is made
A tailor spends the whole week looking for someone to swap with and sews nothing. Which box of Ren's third chain does this match?
Use the picture in question 6.
- Money, which sellers accept for any good, solves these problems
- Less is made, and the economy grows slowly
- Finding the right person to swap with takes a long time
- Workers spend that time bartering instead of making goods
Tala's note says, "The basket maker wants salt." Which fix is right?
Cause and effect chain "A swap that fails (an example)": [1] a salt maker has extra salt and wants a basket; [2] the basket maker has baskets but wants a rope, not salt; [3] no swap happens, because each side must want what the other has; [4] the salt maker must first find a rope maker who wants salt, then trade the rope for the basket. Arrows: 1 → 3, 2 → 3, 3 → 4. Example, made up for practice: the salt maker, basket maker and rope maker are imaginary. Cause and effect chain "A swap that fails (an example)": [1] a salt maker has extra salt and wants a basket; [2] the basket maker has baskets but wants a rope, not salt; [3] no swap happens, because each side must want what the other has; [4] the salt maker must first find a rope maker who wants salt, then trade the rope for the basket. Arrows: 1 → 3, 2 → 3, 3 → 4. Example, made up for practice: the salt maker, basket maker and rope maker are imaginary. A swap that fails (an example) [1] a salt maker has extra salt and wants a basket [2] the basket maker has baskets but wants a rope, not salt [3] no swap happens, because each side must want what the other has [4] the salt maker must first find a rope maker who wants salt, then trade the rope for the basket Example, made up for practice: the salt maker, basket maker and rope maker are imaginary. - Change "salt" to "a rope"
- Change "basket maker" to "salt maker"
- Leave it: the basket maker wants what the salt maker has
- Change "wants" to "sells"
Zee's note says, "Fresh fruit keeps its value for months." Which fix is right?
Cause and effect chain "Goods that spoil (an example)": [1] a farmer's fresh fruit spoils if it waits; [2] the farmer cannot keep the fruit for a trade months away; [3] future swaps are hard to plan; [4] people want something that keeps its value and that others accept. Arrows: 1 → 2, 2 → 3, 3 → 4. Example, made up for practice: fresh fruit stands for any good that spoils. Cause and effect chain "Goods that spoil (an example)": [1] a farmer's fresh fruit spoils if it waits; [2] the farmer cannot keep the fruit for a trade months away; [3] future swaps are hard to plan; [4] people want something that keeps its value and that others accept. Arrows: 1 → 2, 2 → 3, 3 → 4. Example, made up for practice: fresh fruit stands for any good that spoils. Goods that spoil (an example) [1] a farmer's fresh fruit spoils if it waits [2] the farmer cannot keep the fruit for a trade months away [3] future swaps are hard to plan [4] people want something that keeps its value and that others accept Example, made up for practice: fresh fruit stands for any good that spoils. - Change "fruit" to "baskets"
- Leave it: fruit keeps well for months
- Change it: fresh fruit spoils if it waits
- Change "months" to "years"
Ari's note says, "Bartering makes an economy grow faster." Which fix is right?
Cause and effect chain "Time lost to swapping": [1] finding the right person to swap with takes a long time; [2] workers spend that time bartering instead of making goods; [3] less is made, and the economy grows slowly; [4] money, which sellers accept for any good, solves these problems. Arrows: 1 → 2, 2 → 3, 3 → 4. Cause and effect chain "Time lost to swapping": [1] finding the right person to swap with takes a long time; [2] workers spend that time bartering instead of making goods; [3] less is made, and the economy grows slowly; [4] money, which sellers accept for any good, solves these problems. Arrows: 1 → 2, 2 → 3, 3 → 4. Time lost to swapping [1] finding the right person to swap with takes a long time [2] workers spend that time bartering instead of making goods [3] less is made, and the economy grows slowly [4] money, which sellers accept for any good, solves these problems - Change "grow" to "spoil"
- Change "economy" to "fruit"
- Leave it: more swaps make more goods
- Change "faster" to "slowly"