Find the best addition king in the world!
In the first to tenth round, you'll compete for who can solve the addition quiz faster.
1 to 4 rounds of single-digit addition problems,
From four to eight rounds, two-digit addition problems,
From the 9th to the 10th round, three-digit addition problems will be released.
Who can become the world's best addition king with the shortest record?
Download now and challenge the King of Addition!
It is perfect not only for simple competition games, but also for your child's educational games.
New release!!
9Apps 4.9
