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29.04.2021, adminMany students indeed fear Maths glancing at the long equations and questions. The in-depth elucidation and exercises compel students to develop the habit of practice. The NCERT maths class 8 textbooks point out the logic behind the equation, which is needed for a clear concept.
Chapter-Wise Overview of Class 8 Maths. Chapter 1: Rational Numbers. The first chapter of the book introduces the concept of rational numbers. It explains that any number that is a division of two integers is called rational numbers. Students learn the difference between positive and negative integers which are crucial to equate 8 class cbse maths book english natural numbers.
This 8 th class maths textbook further explains the closure properties, commutativity, and associativity of rational numbers, whole numbers, and integers. Moreover, the children get to understand the role of 0 and 1 in the equation of rational numbers. Furthermore, the concepts of 8 class cbse maths book english negative number, reciprocal, distributive of multiplication and addition, number line, and distributive of a rational number is explained in.
These concepts are presented with examples to clear the doubts of the learner. The following chapter further elucidates the idea of linear equations with one variable. It deals with the formulas and equations crucial for solving the linear equation and variables. This chapter explains ways of solving the linear equation on one side and numbers on the other as well as the numbers on the same.
While the need to simplify the expressions forming equations before solving. Moreover, this chapter talks about the diverse utility 8 class cbse maths book english linear equations to solve the equations on age, numbers, perimeter, currency, and many. Chapter 3: Understanding Quadrilaterals. By further reading, students will learn about Polygons which are classified as a triangle, quadrilaterals, pentagon, hexagon, heptagon.
Additionally, there is an explanation of diagonals which connects two non-consecutive vertices. The book offers knowledge on different types of polygons like convex, concave, regular, and irregular.
Besides the explanation, the chapter briefs the students about the angle sum property and the sum to measure the exterior angles of the polygons.
It also explains about parallelogram, their diagonals, angle sum, elements, and the special parallelograms. Chapter 4: Practical Geometry.
The fourth chapter of the book explains the basics of geometry, starting with the construction of quadrilaterals. Length of four sides and diagonal is given. Two diagonals and three sides are given. Two adjacent sides and three angles are known.
Three sides and two included angles are given. The students get to learn about different types of quadrilaterals which are rhombus, rectangle, and square. This chapter also teaches the technique to solve the special cases when five measurements are taken to construct a quadrilateral.
Chapter 5: Data Handling. The topic specifies that unorganised 8 class cbse maths book english is known as raw data which are needed to be organised for meaningful interference. Students get to learn the process of group frequency distribution and the process of finding frequency. Moreover, the chapter shows the different ways of showcasing the data, for example via bars and pie charts.
The bar histogram presents the data where class intervals are in a horizontal axis, and the height shows frequencies. Also, students will understand the laws of probability which follows random experiment and outcomes. At the same time, more occurrence of analysis creates an 8 class cbse maths book english. Chapter 6: Square and Square Roots.
The numbers like 1, 4, 9,16 which can be expressed as the product of the number with itself are defined as a square number. Reading through the topic, students learn about the properties of square 8 class cbse maths book english and 8 class cbse maths book english methods of adding the numbers. A square number can be found by adding triangular numbers, odd numbers, and odd natural numbers.
Square root portion in this book also teaches about Pythagoras theorem and the Pythagorean triplets. Moreover, the process of finding square root by repeated subtraction, prime factorisation, division, and decimals is also provided.
Chapter 7: Cube and Cube Roots. The previous chapter taught 8 class cbse maths book english basics of finding square roots, while the seventh chapter shows the way of solving cube root problems.
By reading this chapter, students will know that the perfect cubes can be formed by adding consecutive odd numbers and their prime factors. At the same time, they will learn that the cube roots are the inverse operation of 8 Class Cbse Maths Book 01 finding cube. 8 class cbse maths book english, the text details the process of prime factorisation, which can be utilised to find the cube root of a number.
Chapter 8: Comparing Quantities. The eighth chapter in the NCERT 8 maths book is one of the crucial chapters dealing with finding quantities. This chapter helps in the development of calculating larger numbers in 8 class cbse maths book english by introducing them to ratio and percentage.
Moreover, they are also taught to find the increase and decrease in percentage and discounts. The children also learn the basics Cbse English Language Practice Book Class 8 of finding profit and loss, cost price, selling price, calculating tax, and. This class 8 book further helps students to learn formulas to 8 class cbse maths book english compound interest and compound annual rate.
Chapter 9: Algebraic Expressions and Quantities. The ninth chapter in the NCERT grade 8 maths textbook teaches about expressions that are formed out of terms and products of factors and numerical coefficients. Furthermore, the chapter details the steps of multiplying two or more than two monomials or multiplying a monomial by a binomial and trinomial.
Even the process of multiplying polynomial by polynomial is also mentioned in this topic. Students also learn about identity and the ways of applying them in the sum.
Chapter Visualising Solid Shapes. With the introduction of visualising of solid shapes in the NCERT class 8 maths book in English, the children are introduced to the concepts of geometry.
The tenth chapter in the book teaches the reader difference of 2D and of 3D shapes and the process of mapping the space. It further teaches terms like edges, faces and vertices, and the types of polyhedrons. The illustrative and graphical representation makes the topic interesting and easy to understand for children.
8 class cbse maths book english Mensuration. Mensuration is 8 class cbse maths book english branch of Maths which studies the measurement of length, volume, shape, lateral surface areas. NCERT class 8 mathematics book, teaches class 8 students the process of calculating the area and perimeter of various surfaces.
Children learn to find the area of a trapezium, general quadrilateral, and unique quadrilaterals. Moreover, the chapter explains how to calculate the surface area of 3D shapes like cuboid, cylinder, cube, cone, and pyramid. The chapter also teaches students how to find the volume and capacity of different shapes.
Chapter Exponents and Power. The exponents are small numbers written above the base number to show how many times the base is multiplied.
The children will learn the laws of using a negative and positive exponent. Further reading the chapter, the children will learn how to use negative exponents when expressed with small digits.
Besides, the kids will understand the ways of comparing and dealing with tiny and large numbers. By solving this chapter, the student will be able to solve the algebric problems in the future. Chapter Direct and Inverse Proportion. The thirteen chapter of the class 8 maths book NCERT gives a detailed explanation of the direct and inverse proportion of numbers. The text briefs that direct proportion is when a number decreases another number also reduces.
Further, they learn about the inverse proportion, which occurs when one number increases, then the other number decreases and vice versa. The students are made to understand the proper usage of these proportions.
Many examples have been included in the direct and inverse proportion chapter, which explains the steps in. By a thorough reading of the lesson, the concepts, application, and function of the proportion of numbers will be apparent to learners.
Chapter Factorisation. It speaks about factors of natural numbers and algebraic expressions. There are also details on the nature of factorisation and the methods of solving common factors. This topic explains the method of factorisation using identities and regrouping as well as the division of monomials, polynomials, and algebraic expressions. Students learn about the concept of regrouping and 8 class cbse maths book english usage in solving equations.
Moreover, by following the methods of factorisation, one can easily find the crucial errors present in an equation. Chapter Introduction to Graphs. This penultimate chapter of the NCERT class 8 book maths welcomes the readers to the world of the graph and data.
Children are exposed to the technique of making bars, graphs, pie charts, and histograms. Moreover, they are taught to draw the line graphs as well as their application in different fields.
Even the drawing of liner graphs, finding the location of a point, and the importance of x and y coordinates are explained in. It helps children learn the difference between an independent and dependent variable to apply in producing graphs.
Chapter Playing With Numbers. Chapter number 14 helps students understand the idea behind factorisation. It details on reversing two-digit and three-digit numbers.
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Do a quick revision and take tests. It will help you track your progress. If you haven't understood a topic, seek help. If you subscribe to our online CBSE coaching program, our online tutors can help you come up with a tailored study plan.
As the pioneer of online coaching for school students, askIITians leads the industry by preparing the best study material according to the latest CBSE guidelines.
Our detailed study material contains gist of several textbooks and reference books schools follow as well as the experience of our teachers. This material is sufficient for a Class 8 student who wants to do self-study.
The paid version of our study material for Class 8 includes live lectures and their recordings, revision notes, assessments, tips and tricks to solve numerical problems quickly, formula sheets, mind maps and a lot more.
NCERT textbooks are the best books for school students as well as those who are preparing for competitive exams. NCERT books link the concepts with the students' life outside the school. They discourage rote learning and encourage children to understand the application of concepts through examples and activities.
We offer free NCERT solutions for Class 8 students to help them as well as school students who are learning the concepts for the first time. AskIITian tutors are highly qualified and experienced. Wherever required, they include comments to explain the answers to students in an easy-to-understand language. You can refer to our online NCERT solutions while doing your homework or checking Math problems you have been attempting.
This will help you assess how much you have understood and in which topics you need help or practice. We offer important questions at the end of each chapter. These questions cover all the important concepts and fundamentals covered in the chapter and encourage you to look at a topic from different perspectives.
If you solve these questions, you are likely to solve all Class 8 tests and exams easily. Use them for practice to get better marks or grades. They formally test the knowledge of a student in a chapter or subject. We recommend you to compare your answers with the solutions we have given and analyze them to access your performance. If you subscribe to the askIITians CBSE coaching program for Class 8 students, out teachers will present you a result that contains the snapshot of your performance in each topic as well as recommendations on how you can improve your marks next time.
We advise students to solve these examination papers at regular intervals to track their progress and measure their preparedness for transition to the next stage of learning.
The exam papers we offer you include carefully selected questions from multiples tests and examinations conducted by CBSE schools for Class VIII students in the last 5 years. Textbooks from across the country were used to develop assessment frameworks that can test the knowledge and skills of middle-schoolers appropriately. At askIITians, we use 'topic maps' which arrange topics according to the level of difficulty.
The scale score on each topic on the map assesses the students' ability and knowledge related to it. To know more, contact our online student advisor now.
CBSE Class 8 sample papers are practice papers. You can solve them and compare your answers with the given solutions. Before tests or exams, you can just go through the solved sample papers quickly to revise the important questions of all the topics quickly. They are much like exam papers but they have already been solved by our tutors for your convenience. You can look at the step-by-step solutions and shortcut methods we mention with the answers to be able to solve examination papers quickly and accurately.
If you are a student who learns more by doing instead of reading, we bring you the best CBSE Class 8 science experiments for you to try. You can do them easily at home with easily available materials. IITians and the best minds of India at askIITians love to help students conduct experiments that can help them expand their understanding of science and its fundamentals and arouse their curiosity and creativity. In our interactive online classes, students and teachers discuss interesting science experiments that can help them understand the subject matter easily.
Our tutors share images and diagrams with students, and sometimes even conduct an experiment for them while teaching a topic. Subscribe to our online coaching program to see the Static Electricity experiment or how to create quicksand. If you love experiments, we will include more of them in the personalised tutoring program we offer you. Our talented teachers can offer you hundreds of stimulating science projects that one or more areas of Science or Maths syllabus you cover in Class 8.
Our science project ideas are clearly laid out with useful line drawings to illustrate the text. Science projects like proving that computers emit radio waves or creating 3D polarized lens virtually, or creating a paint palette from the medieval era have won awards in many school science fairs.
We include the list of materials you'll need, an explanation of science concepts that have been used in the project, and a discussion of its results. If you are looking forward to impressing your peers, teachers, or judges with your science projects, discuss them with your online tutors. A working model in science shows a phenomenon happening physically at a smaller scale - making it easier to observe, study and explain.
We can suggest working models Ncert 10th Class Maths Book In English Read for Class 8 students that can visually demonstrate scientific principles and make them look interesting.
Whether you are looking for a project idea for a science exhibition or trying to create your own innovative tool, our engineers can help you with anything. Discuss your science model ideas with your teachers and they can guide you to take your DIY science project to the next level. Whether you want to create a mobile application, a sensor, an energy harvesting device, or some other tool or device, we will love to work on your science model with you.
AskIITians has been designed to be the super-efficient online education program for school students. It also includes the sums of compound interest based on daily life. In Class 8 Maths Chapter 9 , the concepts of algebraic expression with terms, factors and coefficient of Monomial, Binomial and Trinomials are given.
Questions of Exercise 9. Introduction of multiplication of algebraic expression is given in Exercise 9. Most of the questions carry the product of monomials.
Exercise 9. The questions based on identities are given in Exercise 9. In Class 8 Maths Chapter 10 states that the 3-dimensional object looks different when seen from different positions.
In Exercise The description of mapping places and spaces are given in Exercise Class 8 Maths Chapter 11 Mensuration is not only the main topic for class 8, but it is important for further classes also.
Exercise Next step is to find the surface area of solid figures in Exercise The volume of these 3 � D figures can be obtained using the formulae used for Exercise In Class 8 Maths Chapter 12 , we will study the numbers having negative or positive powers.
Questions 5, 6 and 7 are important for exams. The second exercise explains about the Scientific Form or Standard Form. Class 8 Maths Chapter 13 , we have to check whether the value of both the quantities are increasing or one is increasing and other is decreasing. Similarly, Exercise The second exercise also contains the questions where Direct and Inverse are implemented in the same question.
In Class 8 Maths Chapter 14 , we will study about factors of natural numbers as well as algebraic expressions. Division of algebraic expression by monomial or polynomial is important for class 8th students. At last, in Exercise Students have to remove these errors to make the equations or identities true. Most of the questions in Exercise Concepts of the coordinate system, x-axis and y-axis are given in Exercise Here, we learn how to take points of x � coordinates and y � coordinates on a plain sheet of paper.
Graphs related to two variables are present in Exercise These are the questions based on the application of linear equations in two variables. In Class 8 Maths Chapter 16 , we have to represent numbers in a general form. This the most exciting exercise to solve the questions with fun.
This exercise is also enjoyable. All chapters are compulsory for the exams. The most interesting chapter of class 8 is Chapter 16 Playing with Numbers. After he had sailed many days, the mariner reached the coast. Fill in the following blanks with correct tense of the verbs given in brackets. Past Tense 1. Mohan ����.. If she ����.. The bell ����..
The patient ����.. She ����.. The rain ����.. If you ����.. The cinema show ����.. Had, slept 7. In order to use this tense we use had been with Present Participle ing form of the verb. Examples: Children had been playing since morning. Fill in the following blanks with correct tense of the verbs given in brackets Past Tense. Sarla ����.. How long ����.. I ����..
Tenzing ����.. Rewrite the following sentences changing the Verbs into the Past Tense : 1. Our hen lays one egg daily. Whenever my mother comes, she brings toys for me. She knows that your brother turns with a tide. Anyone who travels by railway through India can see that the country is well supplied with natural wealth.
He behaves nicely at tables, talks gently, remains cheerful, thinks of others, keeps an eye on the company and tries to be pleasant and polite in every way.
Rewrite the following sentences changing the Verbs into the Present Tense : 1. No one knew what was in store for him. Work, not worth, shall rule mankind. Why did he abuse you? Fortunately the fighting was over soon. A school bus accident killed scores of children. In the same way. The new edition of this book will be coming out shortly.
When I reach Calcutta, it will be raining heavily there. Will you be taking part in the debate? Interrogative The farmers will not be watering the plants at this time. The picture ����.. He ����..
Answers: learn 1. Will, have finished 3. Rewrite the following sentences changing the Verb into the Future Tense : 1. I reached the station after the train had left. The log of wood broke and they fell into the ditch.
They bound his hand and foot and held him fast. I broke the lock open and got into the room. The gardener was watering the plants. You have really committed a blunder. He found her weeping bitterly. Correct the following sentences : 1. He has left for his native village yesterday.
I had completed the work. He told me that he has solved all the sums. I informed you about this before. I know you for many years. She had seen a lion in the circus. He is pass in English and is fail in Mathematics. If you help me, I give you a reward. It is raining heavily since a week. The patient died before the doctor arrived. He will meet me as soon as he will return. The teacher punished the boys because they are making a noise.
Answers: I. I shall reach the station before the train leaves. The log of wood will break and they will fall into the ditch. They will bind his hand and foot and hold him fast. I shall break the lock open and get into the room. The gardener will be watering the plants. You will have really committed a blunder. He will find her weeping bitterly.
He left his native village yesterday. I completed the work. He tells me that he has solved all the sums. I have known you for many years. She saw a lion in the circus. He has passed in English but failed in Mathematics. If you help me. I will give you a reward. It has been raining heavily for a week. The patient had died before the doctor arrived. He will meet me as soon as he returns. The teacher punished the boys because they were making a noise.
The murderer will be hanged tomorrow. He took off his coat and hung it on a peg. Fill in the blanks choosing one word for each blank from the box. You may use a word or phrase more than once.
As he ����.. The passenger ����.. He was seventy years old when he ����.. The doctor came after the patient ����.. I noticed that his hair ����.. When we he ����.. Answers: 1. Last night a dozen armed men enter a house.
The following passage has not been edited. There is an error in each line. Write the error along with the correction. Do not forget to underline the correction. He meet an agent in Delhi. Rearrange the following to make meaningful sentences : 1. Fill in the following blanks with correct tense of the verbs given in the brackets : Future Tense 1.
Dinesh ����.. When Sarla calls on me, I ����.. The gardener ����.. Sonu ����.. Mohini ����.. The peon ����.. Sharda ����.. We ����.. Fill in the following blanks writh correct tense of the verbs given in brackets using future tense. They ����.. By next year, I ����.. Our school team ����.. Fill in the blanks in the following sentences with the simple or the progressive continuous form of the verb.
The Indians ����.. My aunt ����.. Jack cannot come out to play at the moment as he ����.. A vegetarian never ����.. Some birds ����.. A milliner ����.. Multiple Choice Questions Exercise 1. Fill in the blanks in the following sentences using one o f the options from the brackets : 1.
A teetotaller ����..
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