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by 1331 5107 days ago
Verbose links for you:

Khan Academy: http://www.khanacademy.org/

Arithmetic videos: http://www.khanacademy.org/#arithmetic

Easiest addition video: http://www.khanacademy.org/math/arithmetic/addition-subtract...

Exercises: http://www.khanacademy.org/exercisedashboard

Addition exercises: http://www.khanacademy.org/math/arithmetic/addition-subtract...

1 comments

Thank you so much. I will show to my son