Chapter-wise Brief Description – NCERT Exemplar Solutions for Class 8 Maths
Chapter 1: Rational Numbers
Covers properties of rational numbers, representation on the number line, and operations like addition, subtraction, multiplication, and division with problem-solving applications.
Chapter 2: Linear Equations in One Variable
Focuses on solving simple and complex linear equations, including equations with variables on both sides, and applying them to real-life problems.
Chapter 3: Understanding Quadrilaterals
Introduces types of quadrilaterals, angle properties, diagonals, and special quadrilaterals like parallelograms and trapeziums.
Chapter 4: Practical Geometry
Explains construction of quadrilaterals when specific parameters such as sides, diagonals, or angles are given.
Chapter 5: Data Handling
Covers collection, representation, and interpretation of data using bar graphs, histograms, pie charts, and probability-based questions.
Chapter 6: Squares and Square Roots
Teaches methods of finding squares, square roots, and their applications using factorization and division methods.
Chapter 7: Cubes and Cube Roots
Explains properties of cubes and cube roots, shortcuts for finding them, and solving real-life mathematical problems.
Chapter 8: Comparing Quantities
Focuses on percentages, profit and loss, simple and compound interest, and their application in daily life problems.
Chapter 9: Algebraic Expressions and Identities
Covers addition, subtraction, multiplication of expressions, and applying standard identities for simplification.
Chapter 10: Visualising Solid Shapes
Develops spatial understanding of 3D objects, nets, views (top, front, side), and cross-sections.
Chapter 11: Mensuration
Explains surface area and volume of solid figures such as cubes, cuboids, cylinders, cones, and spheres with practical problems.
Chapter 12: Exponents and Powers
Introduces laws of exponents, expressing numbers in standard form, and simplifying large numbers.
Chapter 13: Direct and Inverse Proportions
Covers solving real-life problems using the concepts of direct and inverse proportionality.
Chapter 14: Factorisation
Explains factorisation of expressions using identities, regrouping terms, and division of algebraic expressions.
Chapter 15: Introduction to Graphs
Introduces plotting points, interpreting graphs, and applying graphs in simple linear equations and real-life data representation.
Chapter 16: Playing with Numbers
Focuses on divisibility tests, number puzzles, and fun problems that improve logical reasoning.