Addition and Subtraction

This app is designed to offer a fun and effective learning environment in which children can learn while they are having fun. In the Sums Game section and the Subtraction Game you will find the different levels at which the game is divided: easy level, intermediate level and difficult level. In each one of the levels you will find differents games that the child will gradually learn to add because this app is designed so that pressing on a number this is lit in red color if the answer is a mistake and green if the answer is correct. When the child does the sum and press the correct number and turns green they just have to press the "next" button to move to the next sum. In this way the child can complete all the sums for himself because the app shows him at all times if the answer was correct or if he made a mistake. 这个程序的目的是提供一个有趣和有效的学习环境，让孩子们可以在他们玩得正开心学习。 在游戏的款项部分和减法游戏，你会发现不同层次的该游戏分为：易级，中级和困难的水平。 在各级，你会发现型动物的游戏，孩子会慢慢学会补充，因为这个应用程序被设计中的每一个，这样按下一个数字，这是点亮红色如果答案是错误的和绿色的，如果答案是正确的。 当孩子做的总和，按正确的数量和变成绿色，他们只需要按下“下一步”按钮移动到下一个总和。 这样，孩子就可以完成所有的款项占为己，因为该应用程序显示他在任何时候，如果答案是正确的，或者如果他犯了一个错误。