NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs

 

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NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs

Class 8th is very important for the students because many new concepts are introduced which are helping them to create a base of many important concepts. Chapter Introduction to Graph is one of the important topics to build basic knowledge about the graphs. In NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs, we study about the different types of graphs like Bar graph, Pie graph ( or pie chart or a circle graph), Line graph etc. 

In daily life, we see different types of graphs on television like in the cricket match comparison of the score of two teams, in newspapers business analysis and also in books, etc. Have you think sometimes what is a graph, what is the purpose of graphs and what is the type of graphs. The answer to these questions clearly describes in Class 8 Maths Chapter Introduction to Graphs. Basically, the graph is a visual representation of data collected and the purpose of the graph is to show collected data or numerical facts in visual form so that anyone can understand it easily, quickly and clearly and also to understand better, data is represented in a graph rather than in a table because the graphs have the ability to comparison and reveal trend. In NCERT Class 8 Introduction to Graphs, we study different types of graphs like- Bar graph, Pie graph ( or pie chart or a circle graph), Histogram, Line graph, and Linear graph. Depend on the data and need, use a different type of graphs like if data changes continuously with time use Line graph and a Histogram is a bar graph that shows data in intervals.  In this, there are 3 exercises with 65 questions.

Topics of NCERT Class 8 Maths  Chapter 15- Introduction to Graphs

  • 15.1      Introduction
  • 15.1.1    A Bar graph
  • 15.1.2    A Pie graph (or a circle-graph)
  • 15.1.3    A histogram
  • 15.1.4    A line graph
  • 15.2       Linear Graphs
  • 15.2.1    Location of a point
  • 15.2.2    Coordinates
  • 15.3      Some Applications

 Here are a few problems for practice from NCERT Class 8 Introduction to Graphs which you can try to draw yourself 

Draw the following graph and observe yourself. Can you find any relation between the given value of x and y

1.

x 0 1 2 3 4
y 0 0 0 0 0

2. 

x 0 1 2 3 4
y 0 1 2 3 4

3. 

x 0 1 2 3 4
y 0 1 4 9 16

4. 

x 0 1 2 3 4
y 0 1 8 27 64

NCERT Solutions to the following exercises of Class 8 Chapter-  Introduction to Graphs

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

Squares and Square Roots

Chapter-7

Cubes and Cube Roots

Chapter-8

Comparing Quantities

Chapter-9

Algebraic Expressions and Identities

Chapter-10

Visualizing Solid Shapes

Chapter-11

Mensuration

Chapter-12

Exponents and Powers

Chapter-13

Direct and Inverse Proportions

Chapter-14

Factorization

Chapter-16

Playing with Numbers

NCERT Solutions For Class 8: Subject-Wise

 

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