Math game to train your brain

Perfectly develops the skill of adding numbers in your mind

Play and train your math skills every day!

▶ Will help you learn to add two-digit numbers in your head
▶ Suitable for daily brain training
▶ Suitable for teaching math
▶ Gradually increasing difficulty - easy to get started
▶ Develops the ability to concentrate
▶ It will help you to spend your time interesting and usefully
▶ Minimalist design

To go to the next level of complexity, find two numbers, the sum of which is equal to the number.
You lose if you choose wrong numbers or time runs out.