Is it logical?

                Logic puzzles can be simple or complex and are often referred to in there simpler form as word problems.  One of the earliest logic puzzles was originally found in Egypt:

Seven houses contain seven cats, and each cat kills seven mice.  Every mouse had eaten seven ears of grain, which each would have created seven hekats of wheat.  What’s the total of all these?

They are many strategies for solving logic puzzles from using cards with the different elements of the puzzle on them so that you have a visual way to solve the puzzle, you can also make a chart representing the different elements. 

Here is a list of websites that contains the option to print premade logic puzzles for kids or make them for you:

http://www.thekidzpage.com/learninggames/logic_games/logic-game-petcenter.html

http://www.coolmath4kids.com/math_puzzles/index.html

http://www.buzzle.com/articles/logic-puzzles-for-kids.html