http://www.mathgoodies.com/lessons/vol5/intro_integers.html

 

http://www.math.com/school/subject1/lessons/S1U1L10GL.html

6th Grade Math

 

http://www.aaaknow.com/dec.htm  decimals

 

http://www.math.com/homeworkhelp/HotSubjects_decimals.html

 

http://www.mccc.edu/~kelld/decff.htm

http://www.coolmath4kids.com/        Step-by-Step explanation of Math skills.
http://www.dep.anl.gov/aattack.htm    The program gives you multiple problems to solve involving       addition, subtraction, multiplication and division.
http://archives.math.utk.edu/topics/arithmetic.html  This site offers math links depending on grade level and topic.
http://www.mccc.edu/~kelld/page200.html     This site offers quizzes to test learned skills.
http://www.aaamath.com/        Offers all math skills taught from K-8.
http://www.nabiscoworld.com/Games/game_large.aspx?gameid=10093   Da’Number Game-This game involves adding with both positive and negative integers