Be sure to study your math on-line !
Fully aligned with the Grade 5 Math Book...
http://www.harcourtschool.com/hspmath/na/grade_5_na.html
Go Warthogs !
Play games and increase your skills on the following sites...
http://www.math-play.com/5th-grade-math-games.html
http://www.softschools.com/math/games/
http://www.sadlier-oxford.com/math/