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Class Eight
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Published by, , National Curriculum and Textbook Board, 69-70 Motijheel Commercial Area, Dhaka., , , , [All rights reserved by the Publisher], , First Publication : December, 2012, Revised Edition : June , 2016, Reprint : September, 2017, , Design, National Curriculum and Textbook Board, Bangladesh, , For free distribution by the Government of the People’s Republic of Bangladesh, Printed by :
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Preface, , The aim of secondary education is to make the learners fit for entry into higher, education by flourishing their latent talents and prospects with a view to building the, nation with the spirit of the Language Movement and the Liberation War. To make the, learners skilled and competent citizens of the country based on the economic, social,, cultural and environmental settings is also an important issue of secondary education., , The textbooks of secondary level have been written and compiled according to the, revised curriculum 2012 in accordance with the aims and objectives of National, Education Policy-2010.Contents and presentations of the textbooks have been, bselected according to the moral and humanistic values of Bengali tradition and, culture and the spirit of Liberation War 1971 ensuring equal dignity for all, irrespective of caste and creed of different religions and sex., , The present government is committed to ensure the successful implementation of, Vision 2021. Honorable Prime Minister, Government of the People’s Republic of, Bangladesh, Sheikh Hasina expressed her firm determination to make the country free, from illiteracy and instructed the concerned authority to give free textbooks to every, student of the country. National Curriculum and Textbook Board started to distribute, textbooks free of cost since 2010 according to her instruction., , Mathematics plays an important role in developing scientific knowledge at this time, of the 21st century. Not only that, the application of Mathematics has increased in, family and social life including personal life. With all these things under consideration, Mathematics has been presented easily and nicely at the Secondary level to make it, useful and delightful to the learners, and a good number of new topics have been, included in the textbook., , I thank sincerely all for their intellectual labor who were involved in the process of, revision, writing, editing, art and design of the textbook., , Prof. Narayan Chandra Saha, , Chairman, National Curriculum and Textbook Board, Bangladesh
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CONTENTS, , , , , , , , , , , , , , , , , , , , , , , , , , Chapter Subject Page, One Patterns 1-11, Two Profits 12-28, Three Measurement 29-47, Four Algebraic Formulae and Applications 48-76, Five Algebraic Fractions 77-100, Six Simple Simultaneous Equations 101-120, Seven Set 121-132, Eight Quadrilaterals 133-151, Nine Pythagoras Theorem 152-158, Ten Circle 159-170, Eleven Information and Data 171-187, , , , , , , , Answer, , , , 188-196
