In this page we have *Chapter 15-Important questions for Introduction to Graphs Class 8 Maths*
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The number of electric bulbs manufactured by a factory during five consecutive years is given below.

Years |
2006 |
2007 |
2007 |
2008 |
2009 |

Number of Bulbs(lakh) |
2 |
8.5 |
7.0 |
5 |
1 |

Plot the points on a graph: P(4, 9) Q(6, 0) R(7, 7) S(2, 4)

The number of students in Sandeep coaching institute during last 8 years is given below. Represent this data on the Line graph

Years |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |

Number of Students |
100 |
120 |
95 |
130 |
85 |
160 |
100 |

a) (5,0) lies on x-axis

b) (0,1) lies on x-axis

c) (0,0) is the origin

d) (4,4) is equal distance from both the x-axis and y-axis

The number of trees planted by Government in different years is given below.

Year |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |

Number of Trees to be Planted |
150 |
220 |
350 |
400 |
300 |
380 |

a) what time temperature was maximum

b) What is the temperature at 6 PM

c) What is the temperature difference between time 6:00 AM and 6:00 PM

Draw the points (1, 4) and (4, 1). Do they represent the same point?

What were the sales in

(i) 2012

(ii) 2016

(iii)2007

(iv) 2014

(b) Compute the difference between the sales in 2012 and 2016.

(c) In which year was there the greatest difference between the sales as compared to its previous year?

The average monthly attendance of a class is given.

Month |
July |
Aug |
Sep |
Oct |
Nov |
Dec |
Jan |
Feb |

Attendance |
40 |
45 |
30 |
50 |
55 |
30 |
35 |
40 |

Draw the coordinates (2,2) , (2,4) and (4,2) And join these to form the triangle.

Download Introduction to Graphs assignment as pdf

Class 8 Maths Class 8 Science

Given below are the links of some of the reference books for class 8 Math.

- Mathematics Foundation Course for JEE/Olympiad : Class 8 This book can take students maths skills further. Only buy if child is interested in Olympiad/JEE foundation courses.
- Mathematics for Class 8 by R S Aggarwal Detailed Mathematics book to clear basics and concepts. I would say it is a must have book for class 8 student.
- Pearson Foundation Series (IIT -JEE / NEET) Physics, Chemistry, Maths & Biology for Class 8 (Main Books) | PCMB Combo : These set of books could help your child if he aims to get extra knowledge of science and maths. These would be helpful if child wants to prepare for competitive exams like JEE/NEET. Only buy if you can provide help to the child while studying.
- Reasoning Olympiad Workbook - Class 8 :- Reasoning helps sharpen the mind of child. I would recommend students practicing reasoning even though they are not appearing for Olympiad.

You can use above books for extra knowledge and practicing different questions.

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