This application contains Mathematics lessons for fourth grade students, summaries of all lessons, exercises and corrected homework without Internet.
Excellent summary that helps you understand the lessons while memorizing them quickly.
An application that works without the need for internet and eliminates a pile of papers. You can use this app anywhere without needing a booklet or anything.
Complete summary of all fourth grade Mathematics lessons.

Summary :

1 Operations on relative numbers
2 Numbers in fractional writing
3 Powers
4 Literal calculation
5 Equations
6 Proportionality
7 1st Semester Assignment
8 Statistics and probability
9 Plane transformations: translation and rotation
10 Pythagorean Theorem
11 Right triangle and circumscribed circle
12 Distance and tangent: Bisector and inscribed circle
13 Geometry in space (Pyramids and cones of revolution)
14 Assignment 2nd Semester

This is a Summarization for educational purposes, not a book so there is no copyright violation.