Addition of numbers to 10 is a free educational application designed for Android users by CrondIT. The app is aimed at testing knowledge by adding the table to 10, which is a math test for kindergarteners on the composition of the numbers up to 10.

The program is simple with no extra windows, and it works by randomly selecting ten questions from a database. Each question has a time limit for response. The levels are designed in such a manner that the successful completion of the test on the complex includes the automatism in the lead up to 10. The app creates steady skills of the oral score to 10, which allows parents to control their child's training activity.

Overall, Addition of numbers to 10 is an excellent app for parents who want to help their children learn basic math skills in a fun and interactive way.