2.3. Place of a Digit
2.5. n Digit Numbers
5.4. HCF and LCM
6. Fractions
9. Decimals
10. Rounding Numbers
10.1. Rounding off the Numbers
11. Measurement
12. Average
13. Percentage
14. Time
15. Money
16. Geometry
17.1. Introduction to Angles
17.2. Naming an Angle
17.4. Comparison of Angles
17.6. Classification of Angles
17.7. Pairs of Relates Angles
18. Perimeter
19. Area
19.1. Area of a Rectangle
19.2. Area of a Square
20. Volume of Solids
20.1. Volume of a Cuboid
20.2. Volume of a Cube
21. Symmetry
21.1. Line symmetry
21.2. Rotational symmetry
22. Pattern
23.1. Pictograph
23.2. Bar Graph