24 - Mental Math Game

24 points is a classic and interesting math game. The game is designed to help people improve their arithmetic abilities and mental math skills. Elementary school students can also play it. But you may not solve some questions even you are a graduate student!
■ HOW TO PLAY
The rule is very simple. Combine 4 numbers into 24 by addition(+), subtraction(-), multiplication(x) and division. For example, numbers 2, 0, 4, 8 can get 24 through (2+0) x (4+8).
Some questions are easy while others are very challenging. You can try how to get 24 by 6, 6, 5, 9.
■ FREE PRACTICE MODE
The game has 1280 levels in which you can constantly explore ways to calculate 24 points.
Try solve all the puzzles!
■ SPEED CHALLENGE
Try to solve as many 24 puzzles as possible in a limited period of 300 seconds.
Test the speed of your mental math skill and see what level you are among players around the world.
■ TIME CHALLENGE
Test how much time you need to spend to solve 10 random 24 puzzles.
■ The game perfectly supports iPhoneX and is compatible with most iOS devices.