​http://www.math-play.com/3rd-grade-math-games.html    Good for practicing basic skills.
http://www.mathplayground.com/ASB_MeteorMultiplication.html . Very fun and unique and stretches your skills. 
​http://www.multiplication.com/ This sight is really good for multiplication if you need help with your multiplication facts. 
http://www.sheppardsoftware.com/math.htm . Practices all of your math skills and is very fun.
http://www.coolmath4kids.com/_  It works mostly on your general math skills. 
​http://www.theproblemsite.com/games/fraction-concentration This site is good for practicing your skills.
​​​http://www.mathwarehouse.com/games/our-games/fraction-games/fraction-frenzy-4/  Again it is very good for practicing fraction skills.
​http://www.arcademics.com/games/dirt-bike-comparing-fractions/dirt-bike-comparing-fractions.html This website really puts your general facts to use.
​https://www.ixl.com/math/grade-1 Use this website if you want to get very detailed with math.
​http://www.adaptedmind.com/Math-Worksheets.html  Again if you want very detailed math problems use this link.