Free Printable WorksheetSocial StudiesGrade 8Social Studies CurriculumECO.8.76

8.76 Supply and Demand Curves, Shifts, Equilibrium Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 8 Social Studies worksheet provides structured practice on 8.76 Supply and Demand Curves, Shifts, Equilibrium. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Supply and Demand: Curves, Shifts, Equilibrium - Explain how changes in supply and demand affect prices and quantities in goods, labor, and credit markets. (C3 D2.Eco.6.6–8)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 8

Subject

Social Studies

Domain

Social Studies Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 8.76 Supply and Demand Curves, Shifts, Equilibrium skill assessments:

Problem 1Difficulty: Mastery

Loanable funds for startup seed loans: Supply: Qs = 200 + 20r Demand: Qd = 520 − 40r A policy change increases government borrowing so that loan demand is 60 higher at every interest rate (new demand: Qd′ = 580 − 40r). (Q is in billions; r is percent.)

After the policy change, what happens to the equilibrium interest rate and quantity of loanable funds (approx.)?

AInterest rate rises to about 6.3% and quantity rises to about 326.7.

BInterest rate stays at about 5.3% and quantity stays at about 306.7.

CInterest rate rises to about 6.3% and quantity falls to about 286.7.

DInterest rate falls to about 4.3% and quantity rises to about 346.7.

Solution & Explanation:Solve after shift: 200+20r = 580−40r → 60r=380 → r≈6.33. Then Q≈200+20(6.33)=326.7. Higher borrowing shifts demand right, raising r and raising Q.

Problem 2Difficulty: Mastery

For pet food, demand increases and supply also increases. After both changes, the equilibrium price is unchanged.

What must be true about the relative sizes of the shifts (in a standard upward-sloping supply, downward-sloping demand graph)?

ABoth shifts must be zero because price did not change.

BThe supply increase must put downward pressure on price that exactly offsets the demand increase’s upward pressure on price.

CThe demand increase must be larger than the supply increase, so price stays the same.

DSupply must shift left while demand shifts right.

Solution & Explanation:Demand right raises equilibrium price; supply right lowers it. If price is unchanged, the opposing price effects must cancel out.

Problem 3Difficulty: Mastery

A union negotiates a wage of $32/hour for farm workers in Meadowbrook. The competitive equilibrium wage without the union would be $26/hour.

Assuming the union wage is enforced and applies to all workers in this occupation, what is the most likely outcome?

AEmployment rises above equilibrium because wages are higher.

BA shortage of labor (firms can’t find workers).

CA surplus of labor (unemployment) in that occupation.

DNo change; wages stay at $26.

Solution & Explanation:A wage set above the competitive equilibrium acts like a binding price floor: more workers want the job and fewer firms hire, creating unemployment.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 8 Social Studies students. It aligns with educational standard ECO.8.76 (Develop understanding of Supply and Demand Curves, Shifts, and Equilibrium through grade 8 social studies practice.).