7. Fractions
8. Decimals
10. Rounding
12. Percentage
13. Unitary Method
14. Measurement
15. Time
16. Money
17. Geometry
17.2. Angles
17.4. Shapes and Curves
17.5. Triangles
17.6. Circles
17.7. Area and perimeter
17.7.2. Perimeter of a triangle
17.7.4. Perimeter of rectilinear figures
17.7.5. Perimeter of polygons
17.7.6. Understand the concept of area
17.7.7. Area of a square and a rectangle
17.8. Solids
18. Data Handling