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Open Middle

@openmiddle

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Challenging math problems worth solving. Check out our online workshop () and book () by @robertkaplinsky . Tweets: @laura_wagenman

https://t.co/6Tco6vCbqU
Joined February 2014
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@clairefrench14
claire french
@clairefrench14
@LizKellyBalch
Liz Kelly
@LizKellyBalch
Norwood, MA
@Mr_Saville
Mr. Saville
@Mr_Saville
@LeeHyland
LeeHyland
@LeeHyland
Cootamundra, New South Wales
@MrsBentley_Math
Christy Bentley
@MrsBentley_Math
Concord, NC
@TSmithNCPS
Tanya Smith
@TSmithNCPS
Ontario, Canada
@CandaceBond2014
_Candace_Always
@CandaceBond2014
@mary_crotti
Mary Crotti
@mary_crotti
@tangymath
Virgil Tang
@tangymath
@SimonBorgert
SimonBorgert
@SimonBorgert
Bellingen NSW
@Shayla410berry
Shayla Fortenberry
@Shayla410berry
Lubbock, TX
@LHidalgoH
Leonardo Hidalgo
@LHidalgoH
Guayaquil-Ecuador
@JeffPieros
Mr. Pie the Math Guy
@JeffPieros
Kennewick, WA
@MsMackechnie
Ms. Laurie Mackechnie
@MsMackechnie
Waterloo, Ontario
@Tiffany_Lee_7
Tiffany Lee
@Tiffany_Lee_7
Pasadena, TX
@ravazmel20
Rafa Vázquez Melchor
@ravazmel20
Valencia, España
@ccossie
Ciaran Costello
@ccossie
@LeapingReader
Shane Jensen
@LeapingReader
@estudemat
Estude Matemática
@estudemat
Porto Alegre, RS, Brazil
@Dominbenito
Domingo Benito
@Dominbenito