Học tốt Toán lớp 2 is an Android app developed by NDT Production that aims to help students in the second grade practice and review their math skills. The app is free and falls under the Education & Reference category.

The app offers two main sections. The first is "Ôn tập và bổ sung" which covers exercises from pages 3 to 11 in the math textbook for second grade students. This section includes exercises such as addition, subtraction, multiplication, and division. The second section is "Phép cộng có nhớ trong phạm vi 100" which covers exercises related to addition with carryovers within 100. This section includes exercises from pages 12 to 26 in the textbook.

The app is simple and easy to use. It provides a good opportunity for students to practice their math skills. However, the app could benefit from additional features such as interactive exercises or explanations of concepts. Overall, Học tốt Toán lớp 2 is a useful app for students looking to practice their math skills.