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12.21 Game Theory and Strategic Interaction Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Economics & Financial Literacy Social Studies worksheet provides structured practice on 12.21 Game Theory and Strategic Interaction. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Game Theory and Strategic Interaction: Select the dominant strategy, equilibrium, or likely strategic outcome from a payoff matrix. Aligned to Integrated Grade 12 Economics & Financial Literacy Framework (C3, CEE, NSPFE, CCSS RH/WHST 11-12, AP Micro/Macro, NAEP, and selected state frameworks) 12.21 - Game Theory and Strategic Interaction: Select the dominant strategy, equilibrium, or likely strategic outcome from a payoff matrix. Standards alignment: C3 D2.Eco.2, D2.Eco.4, D2.Eco.8.9-12; CEE Econ 4, 9; AP Micro U4, Skill 4; CCSS RH.11-12.7-8; NAEP Econ: Reasoning; TX TEKS Econ.

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

Economics & Financial Literacy

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 12.21 Game Theory and Strategic Interaction skill assessments:

Problem 1Difficulty: Mastery

A regional bank estimates that its rival will market checking accounts with 65% probability and credit cards with 35% probability. Payoffs are shown as (RiverFirst, MetroBank). Rows for RiverFirst: No-fee checking, Rewards cards. Columns for MetroBank: Market checking, Market credit cards. Matrix cells: No-fee checking / Market checking = (90, 66); No-fee checking / Market credit cards = (35, 82); Rewards cards / Market checking = (58, 72); Rewards cards / Market credit cards = (82, 58). Which row strategy maximizes RiverFirst's expected payoff under that belief?

ANo-fee checking

BChoose the strategy with the column player's higher payoff

CRewards cards

DBoth strategies have the same expected payoff

Solution & Explanation:No-fee checking has expected payoff 0.65×90 + 0.35×35 = 70.75. Rewards cards has 0.65×58 + 0.35×82 = 66.4. No-fee checking is higher.

Problem 2Difficulty: Mastery

A home-security firm estimates that its rival will target apartments with 40% probability and single-family homes with 60% probability. Payoffs are shown as (SafeNest, GuardHome). Rows for SafeNest: Starter sensors, Full monitoring. Columns for GuardHome: Target apartments, Target houses. Matrix cells: Starter sensors / Target apartments = (95, 57); Starter sensors / Target houses = (55, 80); Full monitoring / Target apartments = (60, 68); Full monitoring / Target houses = (80, 59). Which row strategy maximizes SafeNest's expected payoff under that belief?

AStarter sensors

BFull monitoring

CBoth strategies have the same expected payoff

DChoose Target houses because it is the more likely column

Solution & Explanation:Starter sensors has expected payoff 0.40×95 + 0.60×55 = 71. Full monitoring has 0.40×60 + 0.60×80 = 72. Full monitoring is higher.

Problem 3Difficulty: Mastery

A textbook-rental firm believes its rival is equally likely to emphasize used books or digital rentals. Payoffs are shown as (RentReads, BookLoop). Rows for RentReads: Campus kiosks, Digital codes. Columns for BookLoop: Used books, Digital rentals. Matrix cells: Campus kiosks / Used books = (120, 64); Campus kiosks / Digital rentals = (20, 88); Digital codes / Used books = (70, 72); Digital codes / Digital rentals = (70, 61). Which row strategy maximizes RentReads's expected payoff under that 50-50 belief?

ANo expected payoff can be calculated from a payoff matrix.

BCampus kiosks strictly maximizes expected payoff.

CRentReads is indifferent between Campus kiosks and Digital codes.

DDigital codes strictly maximizes expected payoff.

Solution & Explanation:Campus kiosks has expected payoff (120+20)/2 = 70. Digital codes has (70+70)/2 = 70. The expected payoffs are equal, so RentReads is indifferent.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Economics & Financial Literacy Social Studies students. It aligns with educational standard 12.21 (Select the dominant strategy, equilibrium, or likely strategic outcome from a payoff matrix. Standards alignment: C3 D2.Eco.2, D2.Eco.4, D2.Eco.8.9-12; CEE Econ 4, 9; AP Micro U4, Skill 4; CCSS RH.11-12.7-8; NAEP Econ: Reasoning; TX TEKS Econ.).