<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> Seventh grade (called Year 8 in the England and Wales, called First Year in Scotland) is a year of education in many nations . The seventh grade is the seventh school year after kindergarten . Students are usually 12--13 years old . </P> <P> In the United States, in math, students focus commonly on an introduction to pre-algebra or the beginnings of algebra including ratio, proportion, and percent . New topics sometimes include scientific notation, concepts with negative numbers, and more advanced geometry . </P>

What grade is 12 years old in usa