3. Addition
4. Subtraction
7. Division
9. Patterns
10. Rounding Numbers
11. Fractions
11.4. Division as Fraction
11.5. Fraction as Division
11.7. Equivalent Fractions
11.8. Comparison of Fractions
11.10. Unit Fraction
11.13. Word Problems on Fractions
12. Decimals
13. Money
14. Measurement
15. Unitary Method
16. Geometry
19. Symmetry
20. Time
21. Data Handling