

Finding roots 


Youngstown Area Math Teachers' Circle 

Hong Kong 
The Hong Kong Math Circle 

Osorno 
Círculo Matemático Kimche 

ONLINE 
Camp Euclid 
Guangdong 
Shenzhen 
Shenzhen China Math Circle 
Alabama 
Mobile 
Mobile Math Circle in South Alabama 
Alabama 
Montgomery 
Montgomery City Math Circle 
Arizona 
Tsaile 
Navajo Nation Math Circle 
Arizona 
Fort Defiance 
Tsehootsooi Intermediate Learning Center (TILC) Math Circle 
Arizona 
Saint Michaels 
St Michael's Indian School (SMIS) High School Math Circle 
Arizona 
Saint Michaels 
St Michael's Indian School (SMIS) Junior High School Math Circle 
Arizona 
Tucson 
Tucson Math Circle 
Arizona 
Flagstaff 
Northern Arizona Math Circle 
Arizona 
Chinle 
Chinle High School Math Circle 
Arizona 
Tempe 
Math Circle at ASU Tempe 
British Columbia 
Victoria 
Victoria Math Circle 
California 
Walnut 
Walnut Valley Math Circle 
California 
Davis 
Davis Math Circle: Explore Math Program 
California 
San Rafael 
Marin Math Circle 
California 
Berkeley 
Oakland / East Bay Math Circle 
California 
San Francisco 
San Francisco Math Circle 
California 
Stockton 
San Joaquin Math Teachers' Circle 
California 

Berkeley Math Circle Elementary 
California 
Chino Hills 
San Bernardino Math Circle 
California 
FREMONT 
Fremont Math Circle  MathPi Academy 
California 
Palo Alto 
Euler Circle 
California 
Hillsborough 
Nueva Math Circle 
California 
Santa Fe Springs 
PHI Math Clubs 
California 
Berkeley 
Bay Area Circle for Teachers 
California 
Irvine 
UC Irvine Math Circle 
California 
Oakland 
Oakland Math Circle 
California 
San Jose 
San Jose Math Circle 
California 
Hollister 
San Benito County Math Talks 
California 
Richmond 
Math Salon 
California 
Pleasanton 
Pleasanton Math Circle 
California 
Claremont 
Claremont Gateway to Exploring Mathematical Sciences 
California 
Northridge 
HS PUMP at California State University, Northridge 
California 
Aliso Viejo 
Soka Math Circle 
California 
Santa Cruz 
Santa Cruz Math Circle sponsored by the X Academy 
California 
San Ramon 
San Ramon Math Circle 
California 
San Ramon 
Contra Costa County Math Circle 
California 
Culver City 
La Ballona Math Circle 
California 
Santa Barbara 
UCSB Math Circle 
California 
Santa Cruz 
Santa Cruz Math Teachers' Circle 
California 
San Marcos 
CSU San Marcos Math Circle 
California 
Berkeley 
Berkeley Math Circle 
California 
Santa Cruz 
Santa Cruz Math Circle (sponsored by the X Academy) 
California 
Artesia 
Cerritos Math Circle 
California 
Long Beach 
Long Beach Math Circle 
California 
Laguna Niguel, 
Orange County Math Circle 
California 
Fullerton 
Fullerton Mathematical Circle 
California 
Stanford 
Stanford Math Circle 
California 
Thousand Oaks 
Thousand Oaks Math Teachers' Circle 
California 
San Diego 
San Diego Math Teachers' Circle 
California 
Pleasanton 
TriValley Math Circle 
California 
Fremont 
Fremont Math Circle 
California 
Santa Cruz 
Santa Cruz Math Circle 
California 
Santa Barbara 
Santa Barbara Math Ellipse 
California 
Fremont 
Olive Math Circle 
California 
Santa Maria 
Hearthstone Math Circle 
California 
San Jose 
The Math Teachers' Circle Network 
California 
San Diego 
SDSU Math Circle 
California 
Los Angeles 
Los Angeles Math Circle 
California 
San Diego 
San Diego Math Circle 
Colorado 
Durango 
SW Colorado Math Teachers' Circle 
Colorado 
Franktown 
Franktown Elementary: Douglas County School District 
Colorado 
Fort Collins 
Northern Colorado Math Oval 
Colorado 
Boulder 
Colorado Math Circle 
Colorado 
Denver/Longmont 
Rocky Mountain Math Teachers' Circle 
Colorado 
Greeley 
Northern Colorado Math Teachers' Circle 
Colorado 
Colorado Springs 
Pikes Peak Math Teacher's Circle 
Connecticut 
FAIRFIELD 
Fairfield County Math Teachers' Circle 
Connecticut 
Hamden 
New Haven County Math Teachers' Circle 
District Of Columbia 
Washington 
DC Math Circle 
Delaware 
Newark 
University of Delaware Math Circle 
Florida 
Jacksonville 
Jacksonville Math Circle 
Florida 
Boca Raton 
Math Circle at FAU 
Florida 
Miami 
Miami Math Circle 
Florida 
Saint Leo 
Saint Leo University Math Circle 
Florida 
Tampa 
Tampa Math Circle 
Georgia 
Kennesaw 
KSU MathCircle 
Georgia 
Warner Robins and surronding cities 
Central Georgia PreK through Middle Math Circle 
Georgia 
Atlanta 
Emory Math Circle 
Georgia 
Kennesaw 
Metro Atlanta Math Teachers' Circle 
Georgia 
Atlanta 
American InterContinental UniversityAtlanta 
Georgia 
Atlanta 
Atlanta Math Circle 
Georgia 
Kennesaw 
Kennesaw State University Math Circle 
Georgia 
Jonesboro 
Jonesboro Math Circle 
Hawaii 
Wailuku 
Maui Math Circle 
Hawaii 
Honolulu 
Math Teachers' Circle of Hawaii 
Iowa 
Ames 
The Central Iowa Middle School Math Teachers' Circle 
Iowa 
Ames 
Iowa State University Math Circle 
Idaho 
Boise 
Boise Math Circle 
Idaho 
Boise 
Boise Math Teachers' Circle 
Illinois 
Evanston 
Evanston Math Circle 
Illinois 
Edwardsville 
Great Rivers Math Teachers' Circle 
Illinois 
Sugar Grove 
Waubonsee Math Circle 
Illinois 
Chicago 
Chicago Math Teachers' Circle 
Illinois 
Chicago 
Math Circles of Chicago 
Indiana 
Indianapolis 
Pi Math Learning Center 
Indiana 
Bloomington 
Bloomington Math Circle 
Indiana 
South Bend 
Riverbend Math Circle 
Kansas 
Emporia 
Inspired by Math 
Kansas 
Manhattan 
Math Circle Seminar at Kansas State University 
Kansas 
Lawrence 
West Middle School Math Circle 
Kansas 
Olathe 
Heartland Math Teachers' Circle 
Kansas 
Wichita 
Witchita State University Math Circle 
Kentucky 
Richmond 
Eastern Kentucky Math Teachers' Circle (EKMTC) 
Kentucky 
Lexington 
Central Kentucky Mathematics Circles 
Kentucky 
Louisville 
School of Mathematics RSM.Louisville 
Louisiana 
Lafayette 
Acadiana Math Teachers' Circle 
Louisiana 
Shreveport 
North Louisiana Math Teachers Circle 
Massachusetts 
Greenfield 
Four Rivers Charter Public School Advanced Math Class 
Massachusetts 
Westfield 
Western Massachusetts Math Circle 
Massachusetts 
Southapton 
The Math Circle in Boston 
Massachusetts 
Brighton 
Gentle Knowledge 
Massachusetts 
Melrose 
Melrose Math Circle 
Massachusetts 
Rockport 
Rockport Elementary Math Circle 
Massachusetts 
Southborough 
St. Mark’s Institute of Mathematics 
Massachusetts 
Medford 
Tufts Math Circle 
Massachusetts 
Cambridge 
Girls' Angle. A math club for girls 
Manitoba 
Winnipeg 
Winnipeg Grant Park High School Math Circle 
Maryland 
Annapolis 
Annapolis Math Teachers' Circle 
Maryland 
Rockville 
Art of Inquiry 
Maryland 
Baltimore 
The Baltimore Area Math Circle 
Maryland 
Lexington Park 
Southern Maryland Math Circle 
Maryland 
Columbia 
Chesapeake Math Program 
Maryland 
Hanover 
MARYLAND MATH CIRCLE 
Michigan 
Ann Arbor 
Michigan Mathematics Circle 
Michigan 
East Lansing 
East Lansing Middle School Math Circle 
Michigan 
Flint 
KinawaChippewa Math Circle 
Michigan 
Dearborn 
Maize and Blue Math Circle 
Michigan 

Wayne County Math Teachers' Circle 
Michigan 
Flint 
Flint Math Circle 
Michigan 
Sault Ste. Marie 
Eastern Upper Peninsula Math Teachers' Circle 
Michigan 
East Lansing 
Elementary Math Circle of East Lansing 
Michigan 
East Lansing 
Kid Math 
Minnesota 
Saint Cloud 
Central Minnesota Unschoolers' Math Circle 
Minnesota 
Hopkins 
Twin Cities Math Circle 
Minnesota 
Saint Cloud area 
Central Minnesota Math Teachers' Circle 
Minnesota 
St. Paul 
Twin Cities Math Teachers' Circle (TCMTC) 
Minnesota 
Mankato 
Mankato Area Math Circle 
Missouri 
St. Louis 
Washington University Math Circle 
Missouri 
Ferguson 
Metamo4ic Math Center 
Moscow (City) 
Bolshoy Vlasyevskiy Pereulok 11 
MCCME at the Independent University of Moscow 
Montana 
Missoula 
Missoula Math circle 
Montana 
Helena 
Helena Math Circle 
Montana 

Montana Math Teacher's Circle 
North Carolina 
WinstonSalem 
WinstonSalem Math Teachers’ Circle 
North Carolina 
Asheville 
Blue Ridge Math Teachers Circle 
North Carolina 
Chapel Hill 
Chapel Hill Math Circle 
North Carolina 
Charlotte 
Charlotte Teacher’s Circle 
North Carolina 
Raleigh 
The Math Circle in the Triangle 
North Carolina 
Cary 
Natural Math Clubs 
North Carolina 
Cullowhee 
Smoky Mountain Math Teachers' Circle (SM^2TC) 
North Carolina 
Davidson 
Charlotte Mathematics Club 
North Dakota 
Fargo 
North Dakota State University Math Circle 
Nebraska 
Kearney 
Central Nebraska Math Teachers' Circle 
Nebraska 

Greater Nebraska Math Teachers' Circle 
Nebraska 
Lincoln 
The Lincoln Area Teachers' Mathematics Circle 
New Hampshire 
New London 
Art and Science of Mathematics, AASOM 
New Hampshire 
Nashua 
Circle Around Math 
New Jersey 
Princeton 
Mercer County Math Circle 
New Jersey 
Newark 
Newark Area Math Circle 
New Jersey 
Piscataway 
Rutgers University Math Teachers' Circle 
New Mexico 

Math Circles Collaborative of New Mexico 
New Mexico 
Santa Fe 
Math Teachers' Circle of Santa Fe 
New Mexico 
Los Alamos 
Los Alamos Math Circle 
New York 
Buffalo 
The Math Circle @ Canisius College 
New York 
Bronx 
Lehman College Math Circle 
New York 
Purchase 
Westchester Area Math Circle 
New York 
New York 
New York Math Circle (in NYC) 
New York 
Ossining 
Northern Westchester Math Circle 
New York 
Potsdam 
Kingston Middle School 
New York 
Albany 
Albany Area Math Circle 
New York 
AnnandaleonHudson 
MidHudson Math Teachers Circle 
New York 
New York 
LSS Math Circle 
New York 
AnnandaleonHudson 
Bard Math Circle 
New York 
Stony Brook 
Math Teacher's Circle Stonybrook 
New York 
Buffalo 
Canisius College 
New York 
Ithaca 
Ithaca Girls' Math Circle (Ithaca, New York) 
New York 
Buffalo 
GiftedMath Program 
New York 
New York 
MathMAddicts 
New York 
Poughkeepsie 
Catalan Math Circle at LaGrange Library 
Ohio 
Athens 
The Math League of SE Ohio 
Ohio 
Columbus 
Columbus Math Circle For Teachers 
Ohio 
Columbus 
Columbus Math Circle 
Ohio 
Athens 
South East Ohio Math Teachers' Circle (SEOMTC) 
Ohio 
Dayton 
Greater Miami Valley Math Circle 
Oklahoma 
Tulsa 
Tulsa Math Teachers' Circle 
Oklahoma 
Oklahoma City 
Central Oklahoma Math Circle 
Oklahoma 
Tulsa 
Tulsa Girls' Math Circle 
Oklahoma 

Math Teachers' Circle Oklahoma (MTCOK) 
Ontario 
Toronto 
Global Math Circle 
Ontario 
Toronto 
Tournament of Towns and Math. Kangaroo at Toronto Math Club 
Ontario 
Waterloo 
Waterloo Math Circle 
Oregon 
Portland 
Portland Math Circle 
Oregon 
Portland 
OMSI Math Circle for middle and high school children 
Oregon 
Eugene 
Eugene Math Circle 
Oregon 
Portland 
Portland Math Teachers' Circle 
Oregon 
Salem 
Willamette University Math Circle 
Oregon 
Beaverton 
Beaverton Math Circle 
Pennsylvania 
Shippensburg 
Shippensburg Area Math Circle 
Pennsylvania 
State College 
Penn State Math Circle 
Pennsylvania 
Philadelphia 
Temple University Mathematics Circle 
Pennsylvania 
Graterford 
Graterford Prison Math Circle 
Pennsylvania 
Philadelphia 
Talking Stick Math Circle 
Pennsylvania 
Philadelphia 
Philadelphia Area Math Teachers' Circle 
Puerto Rico 

Puerto Rico Math Circle 
South Carolina 
Columbia 
Columbia Area Math Circle 
South Carolina 
Columbia 
Columbia Middle School Math Circle 
Tennessee 
Nashville 
Math Circle at Vanderbilt 
Texas 
Lubbock 
Texas Tech University Math Circle 
Texas 
San Marcos 
Central Texas Math Circle 
Texas 
College Station 
Brazos Valley Math Teachers' Circle 
Texas 
Houston 
Houston Math Circle 
Texas 
College Station 
Texas A&M Math Circle 
Texas 
Nacogdoches 
East Texas Math Teachers' Circle 
Texas 
Richardson 
Metroplex Math Circle 
Texas 
Corpus Christi 
Islander Math Circles 
Texas 
Houston 
Rice University Math Circle 
Texas 
Austin 
UT Austin Saturday Morning Math Group 
Texas 
Houston 
Reasoning Mind Houston Math Circle 
Texas 
Arlington 
Mid Cities Math Circle 
Utah 
Salt Lake City 
Utah Math Circle 
Utah 
Salt Lake City 
Utah Teachers' Math Circle 
Utah 
Provo 
Brigham Young University Math Circle 
Virginia 
Richmond 
Greater Richmond Math Circle 
Virginia 
Richmond 
Greater Richmond Math Teachers Circle 
Virginia 
Fairfax 
Fairfax Math Circle (FMC) 
Washington 
Ellensburg 
Kittitas Valley Math Circle 
Washington 
Seattle 
Seattle Math Teacher Circle 
Washington 
Seattle 
UW Math Circle 
Washington 
Seattle 
Math for Love 
Washington 
Seattle 
Seattle Infinity Math Circle 
Washington 
Seattle 
Northwest Academy of Sciences Math Circle 
Washington 
Tacoma 
The Presidents Club (Tacoma Urban League Math Circle) 
Washington 
Kirkland 
Prime Factor Math Circle (Seattle) 
Washington 

Bainbridge Independent Math Circle 
Wisconsin 
Wausau 
University of WisconsinMarathon County 
Wisconsin 
Brookfield 
Brookfield Math Circle 
Wisconsin 
La Crosse 
Coulee Region Math Circle 
Wisconsin 
Oshkosh 
Oshkosh Math Teachers' Circle 
Wisconsin 
Racine 
Oakdale Center Math Circle, Racine WI 
Wisconsin 
Milwaukee 
University of Wisconsin Milwaukee Math Circle 
Wisconsin 
Eau Claire 
Chippewa Valley Math Teachers Circle 
Wisconsin 
Madison 
Madison Math Circle 
Wyoming 
Laramie 
Wyoming Math Circle 