3. Addition
4. Subtraction
7. Division
9. Patterns
10. Rounding Numbers
10.1. Rounding Off Numbers
10.2. Estimating Sum
10.3. Estimating Difference
10.4. Estimating Products
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
13.1. Introduction to Currency
13.2. Express Money in Figures
13.3. Conversion of Money
13.6. Word Problems on Money
14. Measurement
15. Unitary Method
16. Geometry
19. Symmetry
19.1. Introduction to Symmetry
19.3. Symmetry Around Us
19.5. Symmetry in Alphabets
19.6. Symmetry in Numerals
21. Data Handling