<Tr> <Th> Website </Th> <Td> <Ul> <Li> danicamckellar.com/pdf/percolation.pdf </Li> <Li> twitter.com/danicamckellar </Li> <Li> mckellarmath.com </Li> </Ul> </Td> </Tr> <Ul> <Li> danicamckellar.com/pdf/percolation.pdf </Li> <Li> twitter.com/danicamckellar </Li> <Li> mckellarmath.com </Li> </Ul> <P> Danica Mae McKellar (born January 3, 1975) is an American actress, voice actress, mathematics writer, and education advocate . She played Kevin Arnold's on - off girlfriend Winnie Cooper in the television series The Wonder Years . </P> <P> From 2010--2013 and 2018--present, McKellar voiced Miss Martian in the animated superhero series Young Justice . In 2015, McKellar was cast in the Netflix original series Project Mc . She also appears in several television films for Hallmark Channel . </P>

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