Here is a good resource to bookmark for math at home. Math Live, by the Alberta government. It has many tutorials and games for grade 5 students. Take a peek! I will add it to our 'speed dial' important sites column of links.
http://www.lessonpaths.com/learn/i/math-sites-for-bc-and-alberta-math-outcomes/math-live-grade-5-from-learn-alberta