Fun4thebrain
Fun4theBrain is a game based math site for students who are learning addition, subtraction, multiplication, and division. There are dozens of fun math games to play and you can also find printable math worksheets as well. While the focus of the website is math, they also offer a small sampling of games and activities based science, ELA, and a few that are just for fun.
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Sumdog
Sumdog is a math game site with over two dozen math based games. The variety of themes that the games are based on will likely appeal to a wide variety of interests. Football, jet skis, animals, and clothing are just a few of the areas that players can choose.
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Here you will find 9 games that test the math and thinking skills of learners grades K-5. Along with the games Gregtangmath.com also has a large selection of worksheets, puzzles and games that can be downloaded and printed for classroom use.
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Prongo Games has a collection of learning games for children ages 3-12. The math games include a baseball challenge as well as a lemonade stand game. The site offers games in different areas such as science and spelling as well. The sites other features include e-cards, brain teasers and jokes.