mental arithmetic 4th grade

เกมนี้เป็นเกมที่เล่นง่ายและสนุกสนานซึ่งช่วยให้ลูกของคุณเรียนรู้คณิตศาสตร์ได้อย่างรวดเร็ว

This app helps you to solve math problems like addition, subtraction, multiplication and division.

Rules of the game: To answer each question you have about 30 seconds. If you answer the question right you get points. If you answer any question wrong you loose a heart and points too. The game is over when you have lost all your hearts or when the time is up. At the end of a task there is a rating system which shows you how well you did. In addition, this arithmetic game has a top-score. You have an infinite number of chances to improve your mathematic skills playing this game.

Tasks performed by the mental arithmetic app:

➕ Addition

➖ Subtraction

✖️ Multiplication

➗ Division

Have fun.