"Cours de maths 4ème" is a free Android app developed by "moro app" in the Education & Reference category. It is designed to help students in 4th grade learn various mathematical concepts such as numerical calculations, fractions, powers, algebraic expressions, equations, inequalities, proportionality, statistics, geometry, triangles, parallelograms, translations, parallel lines, cosine, pyramid, cone, and formulas.

The app has a user-friendly interface with clear instructions and explanations. It offers a comprehensive set of exercises that can help students test their understanding of the concepts they have learned. The app also provides step-by-step solutions to the exercises, making it easy for students to learn from their mistakes.

In conclusion, "Cours de maths 4ème" is an excellent app for students in 4th grade who want to improve their math skills. It covers all the essential concepts in an engaging and interactive way, making learning math fun and exciting.