Toan lop 3 is an Android application developed by Tri Tuệ Việt, designed to simulate the third-grade math curriculum of Vietnamese schools. This free app is aimed at parents and students who want to reinforce their knowledge of math concepts and solve interesting exercises.

The app covers all the topics in the third-grade math curriculum, including Vietnamese and English language skills. It presents the content of each lesson in the textbook, summarizes the key concepts, and offers a variety of fun exercises to help students develop their problem-solving skills.

Toan lop 3 has an engaging interface with vivid images that make learning math more fun and accessible. The app tracks the progress of students and encourages them with positive feedback and rewards. However, it should be noted that the app is not intended to replace the official textbook, but rather to complement it.

Overall, Toan lop 3 is a useful educational app that can help parents and students learn math in an interactive and engaging way, and it is definitely worth a try.