The children enjoy seeing their own name in word problems also so they may wish to write/solve their own problems.
Remember the have a list of maths words in their folder. It is important that they are confident and recognising these words and understand them as these words are common in word problems.
http://www.topmarks.co.uk/maths-games/7-11-years/problem-solving
http://www.mathplayground.com/MathHoops_Z1.html
http://www.mathplayground.com/addition_subtraction_games.html
http://www.mathplayground.com/wpdatabase/wpindex.html
http://www.mathplayground.com/gsmbegin.html
http://resources.woodlands-junior.kent.sch.uk/maths/wordproblems/1.html
http://resources.woodlands-junior.kent.sch.uk/maths/wordproblems/2.html
http://www.mathplayground.com/wpdatabase/wpindex.html
http://www.mathplayground.com/gsmbegin.html
http://resources.woodlands-junior.kent.sch.uk/maths/wordproblems/1.html
http://resources.woodlands-junior.kent.sch.uk/maths/wordproblems/2.html