**NCERT Solutio****ns**** for Class ****8 Maths**

NCERT Solutions for Class 8 Maths will help you to ace the unsolved problems in the maths book prescribed by the CBSE. NCERT Solutions for Class 8 breaks down the solutions into detailed steps to increase your score in exams.

NCERT Solutions are prepared by our team of highly professional, qualified and experienced faculties. These NCERT Solutions for Class 8 Maths helps you to quickly grasp all the concepts and formulas of maths. In case you have a doubt while you are studying NCERT Solutions for Class 8 Maths which we are providing, for this, we have a team of teachers who are just a click away to solve your doubt any time.

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**NCERT Solutions for Class 8 Maths Chapter-wise**

- Chapter 1- Rational Numbers
- Chapter 2 – Linear Equations in One Variable
- Chapter 3 – Understanding Quadrilaterals
- Chapter 4 – Practical Geometry
- Chapter 5 – Data Handling
- Chapter 6 – Square and Square Roots
- Chapter 7 – Cube and Cube Roots
- Chapter 8 – Comparing Quantities
- Chapter 9 – Algebraic Expressions and Identities
- Chapter 10 – Visualising Solid Shapes
- Chapter 11- Mensuration
- Chapter 12 – Exponents and Powers
- Chapter 13 – Direct and Inverse Proportions
- Chapter 14 – Factorisation
- Chapter 15 – Introduction to Graphs
- Chapter 16 – Playing with Numbers

**CBSE Class 8 Maths Chapter-wise NCERT Solutions**

**NCERT Solutions for Class 8 Maths Chapter 1 – Rational Numbers**

In this chapter will learn the properties of real numbers, rational numbers, representation of a rational number on number line, additive and multiplicative identity.

**NCERT Solutions for Class 8 Maths Chapter 2 – Linear Equations in One**** Variable **

In this chapter you will learn the concept of linear equation and methods to solve them, reducing equations to a simpler form and their applications.

**NCERT Solutions for Class 8 Maths Chapter 3 – Understanding Quadrilaterals**

In this chapter, you will learn the basics of a quadrilateral, polygon, kinds of quadrilateral and polygon, the measure of external angle of polygons.

**NCERT Solutions for Class 8 Maths Chapter 4 – Practical Geometry**

This chapter includes drawing 4 sides in a quadrilateral with 2 adjacent sides, 3 angles, and 1 diagonal area given.

**NCERT Solutions for Class 8 Maths Chapter 5 – Data Handling**

In this chapter you will learn to organize the data in a systematic method, represent the data in a pictograph, a bar graph, double bar graph, pie chart, and histogram.

**NCERT Solutions for Class 8 Maths Chapter 6 – Square and Square Roots**

In this chapter, you will learn about the squares of numbers and their properties, various patterns of squares, and square roots of numbers.

**NCERT Solutions for Class 8 Maths Chapter 7 – Cube and Cube Roots**

In this you will study about cubes of different numbers, cubes of numbers by adding consecutive odd numbers pattern, cube roots of a number, solving cube roots by prime factorization method.

**NCERT Solutions for Class 8 Maths Chapter 8 – Comparing Quantities**

In this chapter you will compare quantities, increase or decrease of percentage, discount, profit and loss, vat tax, sales tax, computing interest.

**NCERT Solutions for Class 8 Maths Chapter 9 – Algebraic Expressions and Identities**

In this chapter, you will learn about the algebraic expressions and their types, like and unlike terms, addition and subtraction, multiplication of algebraic expressions, standard identities and their implementation.

**NCERT Solutions for Class 8 Maths Chapter 10 – Visualizing Solid Shapes**

In this chapter, you will study the cubes, cuboids, cones, cylinders, spheres, hemispheres and their area, triangular pyramids, triangular and square base prisms, application of Euler’s formula.

**NCERT Solutions for Class 8 Maths Chapter 11 – Mensuration**

In this chapter, you will learn about the perimeter and areas of plane closed figure and surface area, the volume of a solid figure, transform the quantity into other units.

**NCERT Solutions for Class 8 Maths Chapter 12 – Exponents and Powers**

In this chapter you will study powers with negative exponents, laws of exponents, express the numbers in standard form and comparison of extremely large numbers.

**NCERT Solutions for Class 8 Maths Chapter 13 – Direct and Inverse Proportions**

In this chapter, you will solve the problems related to direct and inverse proportion and their identification based on relative increase or decrease of a quantity with respect to the first one.

**NCERT Solutions for Class 8 Maths Chapter 14 – Factorization**

In this chapter, you will learn methods of factorization, division of algebraic expression, error finding in algebraic equations.

**NCERT Solutions for Class 8 Maths Chapter 15 – Introduction to Graphs**

In this, you will study the representations of data by a bar graph, histogram, pie chart, line graph, and linear graph, application based on the graph using the dependent & independent variable.

**NCERT Solutions for Class 8 Maths Chapter 16: Playing with**** Numbers**

In this chapter, you will deal with numbers in a general form, puzzles related to numbers, divisibility tests.

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**Solved Questions For You:**

**Question 1. For which of these would you use a histogram to show the data?**

**(a) The number of letters for different areas in a postman’s bag.**

**(b) The height of competitors in an athletics meet.**

**(c) The number of cassettes produced by $5$ companies.**

**(d) The number of passengers boarding trains from $7:00$ a.m. to $7:00$ p.m. at a station.**

**Give reasons for each.**

**Answer:**

(a) We can’t use the histogram in this case because we cannot define the class intervals for this data.

(b) We can use histogram here because it will be easy to divide the data into class intervals.

(c) We do not have approximate data we won’t use a histogram. We do not know about the number of cassettes produced by companies.

**Question 2. List the outcomes you can see in these experiments.**

**(a) Spinning a wheel (b) Tossing two coins together**

**Answer:**

(a) Possible outcomes would be: $A,B,C,D$

**Question 3. When a die is thrown, list the outcomes of an event of getting**

**(i) (a) a prime number (b) not a prime number.**

**(ii) (a) a number greater than 5 (b) a number not greater than $5$**

**Answer: **

Possible outcomes: $1,2,3,4,5,6$

(i) (a) Prime numbers: $2,3,5$

It represents the outcomes of Prime numbers

(b) Not a prime number: $1,4,6$

It represents the outcomes of not prime numbers.

(ii) (a) A number greater than $5$:

Only when $6$ comes

(b) Number not greater than $5$:

Only when outcomes: $1,2,3,4$ and $5$

**Question 4. A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey.**

**From this pie chart answer the following:**

**(i) If $20$ people liked classical music, how many young people were surveyed?**

**(ii) Which type of music is liked by the maximum number of people?**

**(iii) If a cassette company were to make $1000$ CDs, how many of each type would they make?**

**Answer:**

(i)

$10$% of the pie chart $=20$ people

$1$% $⇒ \(\frac{20}{10}\) ×100$

and $100$% $0}{10}\)×100\(\frac{100}{100}\) $

$⇒200$ people.

The light chart represents the maximum number as it is $40$% of the total. $∴$ Light music is liked by max. people.

$=100$

Number of CDs of semi-classical music $0}{100}\)×1000(20$%)

$=200$

Number of CDs of folk music $0}{100}\) ×1000=300$ ($30$%)

Number of CDs of light music $0}{100}\) ×1000$ ($40$%)

$=400$

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