You have 120 seconds to complete as many questions as possible. You must choose the right one based on the number and answer and solve it. When your 120 seconds ends, your score is calculated based on the number of your correct and wrong answers. So, do it quickly and do your best to answer as many questions as possible correctly. Features: Learn to count; Learning Addition; Learning Reduction; Learning Multiplication; Division Learning; Learn to think fast; Easy to use; Light application; free application; Can be used offline; Good picture quality.