Learning is fun in addition to the game Acompetition. Each one was given time to think only about 5 seconds. Altogether there are 60 questions easy summation.
You can play alone or together with your friends to compete in the sum clever without a calculator.
If you can already sum in school then it's time you prove arithmetic without a calculator.
Kick lightning scored 100 in the summation.
Let's get a value of 100 on the mathematics.
This game can be done between friends, siblings, or spouse.
Let's champion who today count ...
If you often play Acompetition then you must have memorized addition by rote.
Congratulations to learn and play ! ... I hope you great value mathematics.
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