Weigh who gains and who pays when a community decides

Grade 7 Social Studies Worksheet

Circle the best answer.

1. Read this first

   A market hall for Riverside

   (an example town, made up for practice), columns Item | Example figure: cost to build the hall | 5,000 coins; stall fee | 20 coins a week; stalls inside | 40; street stalls moved inside | 25. Then, below the table: Cause and effect chain "Choosing a market hall": [1] the town spends 5,000 coins on a market hall; [2] sellers stay dry and buyers find stalls in one place; [3] sellers now pay stall fee; [4] the 5,000 coins cannot also pay to fix the roads. Arrows: 1 → 2, 1 → 3, 1 → 4. Below the chain: what a choice gives up, its next-best use, is called its opportunity cost.

2. 1.

   In Ari's table, how much does the market hall cost to build?

   • 40 coins
   • 5,000 coins
   • 20 coins a week, the stall fee
   • 500 coins
3. 2.

   How many stalls inside the hall are left after the street stalls move in, Bo asks?

   • 150 stalls
   • 15 stalls
   • 25 stalls, the ones moving in
   • 65 stalls, adding the two
4. 3.

   What does a seller pay in stall fee over 4 weeks, Esme asks?

   • 80 coins
   • 24 coins, by adding the 4
   • 800 coins
   • 5 coins, by dividing
5. 4.

   Which effect is a benefit to buyers, Kira asks?

   • Losing ferry fares
   • Stalls in one place
   • Paying stall fee each week to the town
   • Roads left unfixed
6. 5.

   What is the opportunity cost of the hall in Luz's chain?

   • The street stalls moving inside
   • The bricks for the hall's walls
   • Fixing the roads
   • Stall fee of 20 coins a week from each seller
7. 6.

   Noah spends an afternoon at the market instead of practicing music. What is the opportunity cost?

   • Nothing is given up
   • The market itself
   • The money spent at the market stalls
   • The music practice
8. 7.

   Why does every choice have an opportunity cost, Pia asks?

   • It is a tax
   • Resources used once can't be used twice
   • Prices go up after each choice a town makes
   • Towns must build a hall each year
9. 8.

   Ren's note says, "The market hall costs nothing, so it has no opportunity cost." Which fix is right?

   • Change it: fixing the roads is given up
   • Leave it: halls are free to build in Riverside
   • Change "hall" to "bridge"
   • Change "cost" to "color"
10. 9.

    Tala's note says, "Sellers gain from the hall and pay nothing." Which fix is right?

    • Change it: they now pay stall fee
    • Change "Sellers" to "Ferries"
    • Leave it: sellers have no new cost to pay
    • Change "hall" to "canal"
11. 10.

    Zee's note says, "Stall fee is 20 coins a year." Which fix is right?

    • Change "fee" to "price"
    • Change "fee" to "toll"
    • Leave it: the table gives the fee for each year
    • Change "year" to "week"