Can anyone advise me of a good website which explains T - Total maths questions?

stuck trying to wok out how to understand T total grid work maths questions? can anyone advise of a website which can help me?? or explain to me how i to work out the answers and t numbers etc etcCan anyone advise me of a good website which explains T - Total maths questions?
MATH, ACTIVITIES and FUN.





http://www.gcse.com/maths/mindex.htm?





http://www.sosmath.com/wwwsites.html





http://www.webmath.com/index.html





http://mathforum.org/dr.math/





http://www.tc.cornell.edu/Services/Educa鈥?/a>





Kindergarten to 8th Grade Interactive Sites





http://www.theproblemsite.com/math_games鈥?/a>





http://www.internet4classrooms.com/skill鈥?/a>





http://www.apples4theteacher.com/math.ht鈥?/a>





http://www.kidsolr.com/math/index.html





http://www.center.k12.mo.us/edtech/edm/4鈥?/a>





http://www.learningplanet.com/act/mayhem鈥?/a>





http://www.mathisfun.com/





http://www.sparknotes.com/math/





http://its.leesummit.k12.mo.us/studentsi鈥?/a>





http://springfieldpublicschoolsmo.org/de鈥?/a>





http://www.math.com/





MATH WEBSITES FOR TEACHERS AND STUDENTS





http://www.cumbavac.org/Math.htm