# NCERT Solutions for Class 8 Maths (Chapter Wise)

## Mathematics Textbook for Class 8

Author: NCERT
Publisher: NCERT

Shaalaa provides solutions for NCERT Solutions for Class 8 Maths and has all the answers for the questions given in Mathematics Textbook for Class 8. Shaalaa is surely a site that most of your classmates are using to perform well in exams.

You can solve Mathematics Textbook for Class 8 textbook questions and use Shaalaa NCERT Solutions for Class 8 Maths to verify your answers. ## Chapters covered in NCERT Solutions for Class 8 Maths Textbook

#### Chapter 1: Rational Numbers

Shaalaa has a total of 41 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Rational Numbers are Associativity, Closure, Commutativity, Concept of Rational Numbers, Distributivity of Multiplication Over Addition for Rational, Negative of a Number, Rational Numbers Between Two Rational Numbers, Rational Numbers on a Number Line, Reciprocal, The Role of 1, The Role of Zero (0)

#### Chapter 2: Linear Equations in One Variable

Shaalaa has a total of 65 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Linear Equations in One Variable are Equations Reducible to the Linear Form, Introduction of Linear Equation, Reducing Equations to Simpler Form, Solving Equations Having the Variable on Both Sides, Solving Equations Which Have Linear Expressions on One Side and Numbers on the Other Side, Some Applications, Some More Applications

Shaalaa has a total of 61 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Understanding Quadrilaterals are Angle Sum Property of a Quadrilateral, Classification of Polygons - Regular Polygon, Irregular Polygon, Convex Polygon, Concave Polygon, Simple Polygon and Complex Polygon, Concept of Curves, Concept of Polygons - Side, Vertex, Adjacent Sides, Adjacent Vertices and Diagonal, Concept of Quadrilaterals - Sides, Adjacent Sides, Opposite Sides, Angle, Adjacent Angles and Opposite Angles, Different Types of Curves - Closed Curve, Open Curve, Simple Curve., Exterior Angles of a Polygon and Its Property, Interior Angles of a Polygon, Properties of a Parallelogram, Properties of a Square, Properties of Kite, Properties of Rectangle, Properties of Rhombus, Properties of Trapezium, Property: The adjacent angles in a parallelogram are supplementary., Property: The diagonals of a parallelogram bisect each other. (at the point of their intersection), Property: The Diagonals of a Rectangle Are of Equal Length., Property: The diagonals of a rhombus are perpendicular bisectors of one another., Property: The diagonals of a square are perpendicular bisectors of each other., Property: The Opposite Angles of a Parallelogram Are of Equal Measure., Property: The Opposite Sides of a Parallelogram Are of Equal Length.

#### Chapter 4: Practical Geometry

Shaalaa has a total of 17 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Practical Geometry are Constructing a Quadrilateral When the Lengths of Four Sides and a Diagonal Are Given, Constructing a Quadrilateral When Three Sides and Two Included Angles Are Given, Constructing a Quadrilateral When Two Adjacent Sides and Three Angles Are Known, Constructing a Quadrilateral When Two Diagonals and Three Sides Are Given, Introduction to Practical Geometry, Some Special Cases

#### Chapter 5: Data Handling

Shaalaa has a total of 20 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Data Handling are Chance and Probability - Chance, Concept of Data Handling, Concept of Pie Graph (Or a Circle-graph), Concept of Probability - Random Experiment, Outcome, Equally Likely Outcomes., Drawing a Bar Graph, Drawing a Double Bar Graph, Frequency Distribution Table, Graphical Representation of Data as Histograms, Interpretation of a Double Bar Graph, Interpretation of a Pictograph, Interpretation of Bar Graphs, Interpretation of Pie Diagram, Organisation of Data

#### Chapter 6: Squares and Square Roots

Shaalaa has a total of 109 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Squares and Square Roots are Concept of Square Number, Estimating Square Root, Finding the Square of a Number - Other Patterns in Squares, Finding the Square of a Number - Pythagorean Triplets, Properties of Square Numbers, Some More Interesting Patterns, Square Roots - Finding Square Root by Division Method, Square Roots - Finding Square Roots, Square Roots - Finding Square Root Through Prime Factorisation, Square Roots - Finding Square Root Through Repeated Subtraction, Square Roots of Decimals

#### Chapter 7: Cubes and Cube Roots

Shaalaa has a total of 34 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Cubes and Cube Roots are Concept of Cube Number, Cube Root of a Cube Number, Cube Root Through Prime Factorisation Method, Smallest Multiple that is a Perfect Cube, Some Interesting Patterns

#### Chapter 8: Comparing Quantities

Shaalaa has a total of 37 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Comparing Quantities are Applications of Compound Interest Formula, Calculation of Percentage, Concept of Compound Interest, Concept of Decimals Numbers, Concept of Finding Discounts, Concept of Percent and Percentage, Deducing a Formula for Compound Interest, Finding Cost Price/Selling Price, Profit %/Loss%, Finding Discounts - Estimation in Percentages, Finding the Increase Or Decrease per Cent, Prices Related to Buying and Selling (Profit and Loss), Rate Compounded Annually Or Half Yearly (Semi Annually), Recalling Ratios and Percentages, Sales Tax/Value Added Tax

#### Chapter 9: Algebraic Expressions and Identities

Shaalaa has a total of 109 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Algebraic Expressions and Identities are Addition of Algebraic Expressions, Concept of Expression, Concept of Identity, Expansion of (a + b)2 = a2 + 2ab + b2, Like and Unlike Terms, Monomials, Binomials and Polynomials, Multiplication of Algebraic Expressions, Multiplying a Binomial by a Binomial, Multiplying a Binomial by a Trinomial, Multiplying a Monomial by a Binomial, Multiplying a Monomial by a Trinomial, Multiplying Monomial by Monomials, Terms, Factors and Coefficients

#### Chapter 10: Visualising Solid Shapes

Shaalaa has a total of 35 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Visualising Solid Shapes are Faces, Edges and Vertices, Mapping Space Around Us, Views of 3D-shapes

#### Chapter 11: Mensuration

Shaalaa has a total of 35 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Mensuration are Area of a General Quadrilateral, Area of a Polygon, Area of Trapezium, Concept of Cube, Concept of Cuboid, Concept of Cylinder, Concept of Cylinders, Concept of Solid Shapes, Cuboid, Introduction of Mensuration, Volume and Capacity

#### Chapter 12: Exponents and Powers

Shaalaa has a total of 34 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Exponents and Powers are Comparing Very Large and Very Small Numbers, Laws of Exponents, Powers with Negative Exponents, Use of Exponents to Express Small Numbers in Standard Form

#### Chapter 13: Direct and Inverse Proportions

Shaalaa has a total of 27 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Direct and Inverse Proportions are Concept of Direct Proportion, Concept of Inverse Proportion, Time and Work

#### Chapter 14: Factorisation

Shaalaa has a total of 106 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Factorisation are Concept of Find the Error, Division of Algebraic Expressions Continued (Polynomial ÷ Polynomial), Division of Algebraic Expressions - Division of a Monomial by Another Monomial, Division of Algebraic Expressions - Division of a Polynomial by a Monomial, Expansion of (a + b)2 = a2 + 2ab + b2, Factorisation by Regrouping Terms, Factorising Algebraic Expressions, Factors of Natural Numbers, Factors of the Form ( x + a) ( x + b), Method of Common Factors, Method of Completing the Square

#### Chapter 15: Introduction to Graphs

Shaalaa has a total of 24 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Introduction to Graphs are Concept of a Line Graph, Concept of Bar Graph, Concept of Pie Graph (Or a Circle-graph), Graphical Representation of Data as Histograms, Linear Graphs - Coordinates, Linear Graphs - Location of a Point, Some Applications

#### Chapter 16: Playing with Numbers

Shaalaa has a total of 14 questions with solutions for this chapter in Class 8 Maths. Concepts covered in Playing with Numbers are Divisibility by 2, Divisibility by 3, Divisibility of 10, Divisibility of 5, Games with Numbers, Letters for Digits, Numbers in General Form

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