a) This website got me hooked because of the plethora of Math Games and Puzzles that was on it. Of course for this game you would have to have a College-Level Math skill depending on the topic of course. Any ways I probably spent about an hour on some of these games because they were so challenging and fun.
b) The quality of the content was superb because all the games were fun and easy to learn type of thing. A lot of the games were related to different fields of math and is the best way to test your skills to the fullest.
c) The effectiveness for enhancing teaching is great because games and puzzles is the best way to increase your knowledge especially in math. A lot of students have a hard time in math and it's because they need something else that is very interactive to help them understand. By using games and puzzles like these will truly boost their knowledge of math.
d) It is easy to use this material because the entire site has a very simple and effective design with general navigation bars appearing on every page and on the Games/Puzzles page, the reader is always just a click away from the other site features.