PrimaryArithmetic

PrimaryArithmetic is an app for elementary school arithmetic exercises.
Our App provides arithmetic exercises of Easy, Normal and Hard difficulty for users, and can provide arithmetic exercises of different difficulty for users of different abilities.
Our App also used the 60-second countdown function. Users can get one point for each correct answer within 60 seconds. After the countdown is over, the score will be automatically recorded, so as to check the score of each practice in the future.