Learning arithmetic

A game that will help children learn simple arithmetic operations:
1) Addition
2) Subtraction
3) Division
4) Multiplication
The game will help develop quick counting skills, because with time spent playing the game a person will develop a machine memory and the answers will be stored in their head.

Solve math problems in an indefinite amount of time, in this game you will be given a simple equation and answer options, the main task is to choose the right answer.