7. Fractions
8. Decimals
10. Rounding
12. Percentage
13. Unitary Method
14. Measurement
15. Time
16. Money
17. Geometry
17.1.1. Definition of a plane
17.1.2. Definition of a Point
17.1.3. Definition of a Line Segment
17.1.4. Definition of a Line
17.1.5. Definition of a Ray
17.2. Angles
17.4. Shapes and Curves
17.5. Triangles
17.6. Circles
17.7. Area and perimeter
17.8. Solids
18. Data Handling