Basic Fact Practice:
Cross the Swamp
http://www.aplusmath.com/flashcards/index.html - Here you can do flashcards with adding, subtracting, rounding, multiplying and dividing on the computer! The game will tell you if the answer is correct, and if you get it wrong, it tells you the right one. (There are two forms of cards; one requires Java, and one does not)
http://www.aaamath.com/ - This site lets you review concepts and practice them online. It scores you and tells you the correct answers. The concepts include most taught in Grade 3.
http://www.dovewhisper.com/3rd_Grade_Math.html
http://www.oswego.org/ocsd-web/games/Mathmagician/mathsadd.html - Addition
http://www.oswego.org/ocsd-web/games/Mathmagician/mathssub.html - Subtraction
http://www.oswego.org/ocsd-web/games/Mathmagician/mathsmulti.html - Multiplication
Division - Division
Flashcards - All operations
http://www.mathfactcafe.com/ - Make your own.
Math Baseball (Can click addition, subtraction, multiplication, division - and level Medium for addition, subtraction)
Cool Math
ABCya!
Print Your Own Worksheets
http://www.kidzone.ws/math/grade3.htm - This site has lots of printable Math worksheets. It also contains links to worksheets for other subject areas, including Language Arts.
http://www.brobstsystems.com/kids/ - Here you can print out lots of worksheets to practice Math skills at home.
http://www.kidzone.ws/math/grade3.htm - This site has lots of printable Math worksheets. It also contains links to worksheets for other subject areas, including Language Arts.
http://www.brobstsystems.com/kids/ - Here you can print out lots of worksheets to practice Math skills at home.