Prongo.com

Improve your Mad math skills! You have only 20 seconds to solve each addition equation.  One incorrect answer and it is game over!  See how many equations you can answer correctly in a row.  Challenge yourself!  Can you beat your high score?

Mad Math Game. Adding

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We need your support in keeping prongo running. https://prongo.com/support/ I’ve devoted 25 years to providing free educational games on Prongo.com, driven by the joy of helping others learn. I’ve never asked for anything in return, but today I need to ask for your help.

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Prongo.com May Disappear Without Your Support

Please donate a small amount to Prongo.com to keep it running. https://prongo.com/support/ We need your support in keeping prongo running. I’ve devoted 25 years to providing free educational games on Prongo.com, driven by the joy of helping others learn. I’ve never asked for anything in return, but today I need to ask for your help.

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