Be sure to study your math on-line !
Fully aligned with the Grade 6 PreAlgebra Math Book...
You can take practice tests and see videos of lessons. A great resource.
http://www.classzone.com/cz/books/pre_alg/book_home.htm?state=SC
Play games and increase your skills on the following sites...
http://www.ixl.com/math/grade-6
http://www.softschools.com/math/games/
http://www.sadlier-oxford.com/math/