Cl-5 (Math) | Index Ch-1: Roman Numerals Ch-2: Large Numbers Ch-3: Operations on Large Number Ch-4: Simplification Ch-5: Factors & Multiples Ch-6: Fractions Ch-7: Addition & Subtraction of Fractions Ch-8: Multiplication & Division of Fractions Ch-9: Decimals Ch-10: Rounding Numbers Ch-11: Measures of Length, Mass & Capacity Ch-12: Average Ch-13: Percentage Ch-14: Time Ch-15: Money Ch-16: Basic Geometrical Concepts Ch-17: Concept of Angles Ch-18: Parallel & Perpendicular Lines Ch-19: Triangles Ch-20: Circles Ch-21: Perimeters of Rectilinear Figures Ch-22: Area Ch-23: Volume Ch-24: Pictograph & Bar Graph