A free app for Android, by Nguyen Thi Xanh.

Toán Lớp 1 Kết Nối Tri Thức Vớ, a software application that simulates the math learning program according to the Grade 1 Math textbook, a set of books that connect knowledge with the life of the Ministry of Education and Training.

This is a free software application for students about to enter the first grade and for parents who want to help their children learn math.

With this application, children can practice and review knowledge in class while teachers can check their understanding and evaluate their thinking ability.

Children will learn to solve simple mathematical equations, such as addition, subtraction, multiplication, and division, and learn about geometric shapes, such as rectangles, circles, triangles, and trapezoids.