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Problems

Year Problem Title Student Level Source Commentary Student Papers
2024 Reducing Illegal Wildlife Trade Undergraduate ICM No No
2024 Sustainability of Property Insurance Undergraduate ICM No No
2024 Great Lakes Water Problem Undergraduate ICM No No
2024 Momentum in Tennis Undergraduate MCM No No
2024 Searching for Submersibles Undergraduate MCM No No
2024 Resource Availability and Sex Ratios Undergraduate MCM No No
2023 Charging Ahead with E-buses High School HiMCM No Yes (4)
2023 Dandelions: Friend? Foe? Both? Neither? High School HiMCM No Yes (5)
2023 Preparing for Olympic Medal Ceremonies Middle School MidMCM No Yes (2)
2023 Using Land: A Valuable Resource High School IM2C Yes (1) Yes (2)
2023 The Future of the Olympics Undergraduate ICM No Yes (2)
2023 Understanding Used Sailboat Prices Undergraduate MCM Yes (1) Yes (3)
2023 Green GDP Undergraduate ICM Yes (1) Yes (4)
2023 Light Pollution Undergraduate ICM Yes (2) Yes (8)
2023 Prioritizing the UN Sustainability Goals Undergraduate ICM Yes (1) Yes (3)
2023 Predicting Wordle Results Undergraduate MCM Yes (1) Yes (12)
2023 Reimagining Maasai Mara Undergraduate MCM Yes (1) Yes (3)
2023 Drought-Stricken Plant Communities Undergraduate MCM Yes (1) Yes (7)
2022 CO2 and Global Warming High School HiMCM Yes (1) Yes (5)
2022 The Need for Bees (and not just for honey) High School HiMCM Yes (1) Yes (4)
2022 Polygon Paradise Park Middle School MidMCM Yes (1) Yes (3)
2022 Aboard! Boarding and Disembarking a Plane High School IM2C Yes (1) Yes (3)
2022 Data Paralysis? Use Our Analysis! Undergraduate ICM Yes (1) Yes (7)
2022 Forestry for Carbon Sequestration Undergraduate ICM Yes (1) Yes (10)
2022 All for One and One (Space) for All! Undergraduate ICM Yes (1) Yes (4)
2022 Trading Strategies Undergraduate MCM Yes (1) Yes (10)
2022 Water and Hydroelectric Power Sharing Undergraduate MCM Yes (1) Yes (6)
2022 Power Profile of a Cyclist Undergraduate MCM Yes (1) Yes (7)
2021 Tackling the Drought High School HiMCM Yes (1) Yes (5)
2021 Storing the Sun High School HiMCM Yes (1) Yes (3)
2021 Dog Park Middle School MidMCM Yes (1) Yes (2)
2021 Hot Dog Concession Stand (MidMCM Sample) Middle School MidMCM Yes (1) No
2021 Who is the Greatest? Maradona or Pelé? Biles or Khorkina? High School IM2C Yes (1) Yes (2)
2021 The Influence of Music Undergraduate ICM Yes (2) Yes (8)
2021 Re-Optimizing Food Systems Undergraduate ICM Yes (1) Yes (5)
2021 Checking the Pulse and Temperature of Higher Education Undergraduate ICM Yes (2) Yes (6)
2021 Confirming the Buzz about Hornets Undergraduate MCM No Yes (6)
2021 Fighting Wildfires Undergraduate MCM No Yes (5)
2021 Fungi Undergraduate MCM Yes (1) Yes (6)
2020 The Best Summer Job High School HiMCM Yes (1) Yes (5)
2020 Funding Biodiversity Conservation High School HiMCM Yes (1) Yes (3)
2020 Flash Sale Undergraduate IM2C Yes (1) Yes (2)
2020 Teaming Strategies Undergraduate ICM Yes (2) Yes (7)
2020 Drowning in Plastic Undergraduate ICM Yes (1) Yes (5)
2020 The Place I Called Home Undergraduate ICM Yes (1) Yes (6)
2020 A Wealth of Data Undergraduate MCM Yes (1) Yes (6)
2020 The Longest Lasting Sandcastle(s) Undergraduate MCM Yes (1) Yes (5)
2020 Moving North Undergraduate MCM Yes (1) Yes (8)
2019 Charge! High School HiMCM Yes (1) Yes (5)
2019 Bottle Battles High School HiMCM Yes (1) Yes (4)
2019 What is the Earth's carrying capacity for human life? High School IM2C Yes (1) Yes (5)
2019 Time to leave the Louvre Undergraduate ICM Yes (2) Yes (7)
2019 What is the Cost of Environmental Degradation? Undergraduate ICM Yes (1) Yes (8)
2019 Universal, Decentralized, Digital Currency: Is it possible? Undergraduate ICM Yes (2) Yes (4)
2019 The Opioid Crisis Undergraduate MCM No Yes (6)
2019 Send in the Drones: Developing an Aerial Disaster Relief Response System Undergraduate MCM No Yes (5)
2019 Game of Ecology Undergraduate MCM Yes (1) Yes (6)
2018 Roller Coaster High School HiMCM Yes (1) Yes (5)
2018 Cozy Smart House High School HiMCM Yes (1) Yes (2)
2018 The Best Hospital High School IM2C Yes (1) Yes (1)
2018 Cost of Privacy Undergraduate ICM Yes (1) Yes (4)
2018 How does climate change influence regional instability? Undergraduate ICM Yes (1) Yes (7)
2018 Out of Gas and Driving on E (for electric, not empty) Undergraduate ICM Yes (1) Yes (6)
2018 Energy Production Undergraduate MCM Yes (1) Yes (6)
2018 How Many Languages? Undergraduate MCM Yes (1) Yes (5)
2018 Multi-hop HF Radio Propagation Undergraduate MCM Yes (1) Yes (5)
2017 Ski Slope High School HiMCM Yes (1) Yes (3)
2017 Drone Clusters as Sky Light Displays High School HiMCM Yes (1) Yes (6)
2017 Jet Lag High School IM2C Yes (1) Yes (1)
2017 Optimizing the Passenger Throughput at an Airport Security Checkpoint Undergraduate ICM Yes (1) Yes (5)
2017 Sustainable Cities Needed! Undergraduate ICM Yes (1) Yes (5)
2017 Migration to Mars: Utopian Workforce of the 2100 Urban Society Undergraduate ICM Yes (1) Yes (4)
2017 "Cooperate and navigate" Undergraduate MCM Yes (1) Yes (4)
2017 Merge After Toll Undergraduate MCM Yes (1) Yes (5)
2017 Managing The Zambezi River Undergraduate MCM Yes (1) Yes (4)
2016 Swim, Bike, and Run High School HiMCM Yes (1) Yes (4)
2016 Shop and Ship High School HiMCM Yes (1) Yes (5)
2016 Record Insurance High School IM2C Yes (1) Yes (3)
2016 A Hot Bath Undergraduate MCM Yes (1) Yes (6)
2016 Space Junk Undergraduate MCM Yes (1) Yes (3)
2016 The Goodgrant Challenge Undergraduate MCM Yes (1) Yes (4)
2016 Measuring the Evolution and Influence in Society's Information Networks Undergraduate ICM Yes (1) Yes (5)
2016 Are we heading towards a thirsty planet? Undergraduate ICM Yes (1) Yes (5)
2016 Modeling Refugee Immigration Policies Undergraduate ICM Yes (1) Yes (4)
2015 Preventing Road Rage High School HiMCM Yes (1) Yes (4)
2015 City Crime and Safety High School HiMCM Yes (1) Yes (4)
2015 Eradicating Ebola Undergraduate MCM Yes (2) Yes (5)
2015 Searching for a lost plane Undergraduate MCM Yes (2) Yes (5)
2015 Managing Human Capital in Organizations Undergraduate ICM Yes (1) Yes (5)
2015 Is it sustainable? Undergraduate ICM Yes (1) Yes (4)
2015 Movie Scheduling High School IM2C Yes (1) Yes (4)
2014 Unloading Commuter Trains High School HiMCM Yes (1) Yes (5)
2014 The Next Plague? High School HiMCM Yes (1) Yes (4)
2014 The Keep-Right-Except-To-Pass Rule Undergraduate MCM Yes (3) Yes (6)
2014 College Coaching Legends Undergraduate MCM Yes (3) Yes (7)
2014 Using Networks to Measure Influence and Impact Undergraduate ICM Yes (1) Yes (6)
2013 Emergency Medical Response High School HiMCM Yes (1) Yes (5)
2013 Bank Service Problem High School HiMCM Yes (1) Yes (5)
2013 The Ultimate Brownie Pan Undergraduate MCM Yes (1) Yes (7)
2013 Water, Water, Everywhere Undergraduate MCM Yes (2) Yes (5)
2013 Network Modeling of Earth's Health Undergraduate ICM Yes (1) Yes (5)
2012 American Elk High School HiMCM Yes (1) Yes (3)
2012 How Much Gas Should I Buy This Week? High School HiMCM Yes (1) Yes (5)
2012 The Leaves of a Tree Undergraduate MCM Yes (1) Yes (5)
2012 Camping along the Big Long River Undergraduate MCM Yes (3) Yes (6)
2012 Modeling for Crime Busting Undergraduate ICM Yes (1) Yes (7)
2011 Space Shuttle Problem: No More Space Shuttles High School HiMCM Yes (1) Yes (4)
2011 Search and Find High School HiMCM Yes (1) Yes (4)
2011 Snowboard Course Undergraduate MCM Yes (1) Yes (4)
2011 Repeater Coordination Undergraduate MCM Yes (1) Yes (4)
2011 How environmentally and economically sound are electric vehicles? Is their widespread use feasible and practical? Undergraduate ICM Yes (1) Yes (6)
2010 Bicycle Club High School HiMCM Yes (1) Yes (3)
2010 Curbing City Violence High School HiMCM Yes (1) Yes (6)
2010 The Sweet Spot Undergraduate MCM Yes (1) Yes (4)
2010 Criminology Undergraduate MCM Yes (2) Yes (6)
2010 The Great Pacific Ocean Garbage Patch Undergraduate ICM Yes (2) Yes (4)
2009 Water, Water Everywhere High School HiMCM Yes (1) Yes (4)
2009 Tsunami ("Wipe Out!") High School HiMCM Yes (1) Yes (4)
2009 Designing a Traffic Circle Undergraduate MCM Yes (1) Yes (4)
2009 Energy and the Cell Phone Undergraduate MCM Yes (2) Yes (5)
2009 Creating Food Systems: Re-Balancing Human-Influenced Ecosystems Undergraduate ICM Yes (2) Yes (2)
2008 National Debt and National Crisis High School HiMCM Yes (1) Yes (3)
2008 Going Green High School HiMCM Yes (1) Yes (4)
2008 Take a Bath Undergraduate MCM Yes (1) Yes (4)
2008 Creating Sudoku Puzzles Undergraduate MCM Yes (1) Yes (5)
2008 Finding the Good in Health Care Systems Undergraduate ICM Yes (1) Yes (3)
2007 Smoke Alarms High School HiMCM Yes (1) Yes (1)
2007 Car Rentals High School HiMCM Yes (1) Yes (1)
2007 Gerrymandering Undergraduate MCM No Yes (5)
2007 The Airplane Seating Problem Undergraduate MCM Yes (1) Yes (8)
2007 Organ Transplant: The Kidney Exchange Problem Undergraduate ICM Yes (3) Yes (2)
2006 Inflation of the Parachute High School HiMCM Yes (1) Yes (1)
2006 A South Sea Island Resort High School HiMCM Yes (1) Yes (1)
2006 Positioning and Moving Sprinkler Systems for Irrigation Undergraduate MCM Yes (1) Yes (6)
2006 Wheel Chair Access at Airports Undergraduate MCM Yes (1) Yes (5)
2006 Trade-offs in the fight against HIV/AIDS Undergraduate ICM Yes (2) Yes (4)
2005 Modeling Ocean Bottom Topography High School HiMCM Yes (1) Yes (1)
2005 Gas Prices, Inventory, National Disasters, and the Mighty Dollar High School HiMCM Yes (1) Yes (1)
2005 Flood Planning Undergraduate MCM Yes (1) Yes (3)
2005 Tollbooths Undergraduate MCM Yes (1) Yes (7)
2005 Nonrenewable Resources Undergraduate ICM Yes (2) Yes (3)
2004 Motel Cleaning Problem High School HiMCM Yes (1) Yes (1)
2004 The Art Gallery Security System High School HiMCM Yes (1) Yes (1)
2004 Are Fingerprints Unique? Undergraduate MCM Yes (3) Yes (3)
2004 A Faster QuickPass System Undergraduate MCM Yes (1) Yes (4)
2004 To Be Secure or Not to Be? Undergraduate ICM Yes (2) Yes (4)
2003 What is it worth? High School HiMCM Yes (1) Yes (1)
2003 How fair are major league baseball parks to the players? High School HiMCM Yes (1) Yes (1)
2003 The Stunt Person Undergraduate MCM Yes (1) Yes (6)
2003 Gamma Knife Treatment Planning Undergraduate MCM No Yes (5)
2003 Aviation Baggage Screening Strategies: To Screen or Not to Screen, that is the Question Undergraduate ICM Yes (2) Yes (5)
2002 School Busing High School HiMCM Yes (1) Yes (1)
2002 The Falling Ladder High School HiMCM Yes (1) Yes (1)
2002 Wind and Waterspray Undergraduate MCM Yes (1) Yes (4)
2002 Airline Overbooking Undergraduate MCM Yes (1) Yes (6)
2002 If we SCRUB our land too much, we may lose the LIZARDs Undergraduate ICM Yes (2) Yes (2)
2001 Design of an Airline Terminal High School HiMCM Yes (1) Yes (1)
2001 Forest Service High School HiMCM Yes (1) Yes (1)
2001 Adolescent Pregnancy High School HiMCM Yes (1) Yes (1)
2001 Skyscrapers High School HiMCM Yes (1) Yes (1)
2001 The Bicycle Wheel Problem Undergraduate MCM Yes (1) Yes (3)
2001 The Hurricane Evacuation Problem Undergraduate MCM Yes (1) Yes (6)
2001 The Zebra Mussel Problem Undergraduate ICM Yes (2) Yes (3)
2000 Bank Robbers High School HiMCM Yes (1) Yes (1)
2000 Elections High School HiMCM Yes (1) Yes (1)
2000 Air Traffic Control Undergraduate MCM Yes (2) Yes (4)
2000 Radio Channel Assignments Undergraduate MCM Yes (1) Yes (5)
2000 Elephants: When is Enough, Enough? Undergraduate ICM Yes (1) Yes (3)
1999 Traffic Lights High School HiMCM Yes (1) Yes (1)
1999 Deep Impact Undergraduate MCM Yes (1) Yes (5)
1999 Unlawful Assembly Undergraduate MCM Yes (2) Yes (5)
1999 Ground Pollution Undergraduate ICM Yes (2) Yes (2)
1998 The Scanner Problem Undergraduate MCM Yes (2) Yes (4)
1998 The Grade Inflation Problem Undergraduate MCM Yes (2) Yes (3)
1997 The Velociraptor Problem Undergraduate MCM Yes (1) Yes (5)
1997 Mix Well For Fruitful Discussions Undergraduate MCM Yes (2) Yes (4)
1996 The Submarine Detection Problem Undergraduate MCM Yes (2) Yes (4)
1996 The Contest Judging Problem Undergraduate MCM Yes (2) Yes (4)
1995 The Single Helix Undergraduate MCM Yes (3) Yes (3)
1995 Aluacha Balaclava College Undergraduate MCM Yes (1) Yes (4)
1994 The Communications Network Problem Undergraduate MCM Yes (2) Yes (1)
1994 The Concrete Slab Problem Undergraduate MCM No No
1993 The Coal-Tipple Operations Problem Undergraduate MCM Yes (2) Yes (1)
1993 The Optimal Composting Problem Undergraduate MCM No No
1992 The Emergency Power-Restoration Problem Undergraduate MCM Yes (2) Yes (1)
1992 The Air-Traffic-Control Radar Problem Undergraduate MCM No No
1991 The Steiner Tree Problem Undergraduate MCM Yes (2) Yes (1)
1991 The Water Tank Problem Undergraduate MCM Yes (2) Yes (3)
1990 The Brain-Drug Problem Undergraduate MCM Yes (2) Yes (1)
1990 The Snowplow Problem Undergraduate MCM No No
1989 The Midge Classification Problem Undergraduate MCM Yes (1) Yes (1)
1989 The Aircraft Queueing Problem Undergraduate MCM No No
1988 The Drug Runner Problem Undergraduate MCM Yes (1) Yes (1)
1988 The Railroad Flatcar Problem Undergraduate MCM No No
1987 The Salt Storage Problem Undergraduate MCM Yes (1) Yes (1)
1987 The Parking Lot Problem Undergraduate MCM No No
1986 The Hydrographic Data Problem Undergraduate MCM Yes (1) Yes (1)
1986 The Emergency-Facilities Location Problem Undergraduate MCM Yes (1) Yes (1)
1985 The Strategic Reserve Problem Undergraduate MCM No Yes (1)
1985 The Animal Population Problem Undergraduate MCM No Yes (1)