Math And Science

GOVERNMENT OF TAMILNADU

Standard Six TERM I Volume 2

MATHEMATICS SCIENCE SOCIAL SCIENCE NOT FOR SALE Untouchability is Inhuman and a Crime

A Publication Under Free Textbook Programme of Government of Tamilnadu

Department of School Education

Š Government of Tamilnadu First Edition - 2012 Revised Edition - 2013, 2014, 2015 (Published under Uniform System of School Education Scheme in Trimester Pattern)

Textbook Prepared and Compiled by

State Council of Educational Research and Training College Road, Chennai - 600 006.

Textbook Printing

Tamil Nadu Textbook and Educational Services Corporation

College Road, Chennai - 600 006.

This book has been printed on 80 G.S.M Maplitho Paper

Price : Rs.

Printed by Web Offset at :

Textbook available at

www.textbooksonline.tn.nic.in

II

CONTENTS UNIT

TOPIC

PAGE No.

MATHEMATICS

(1 - 82)

Number System 1.

Natural Numbers & Whole Numbers

2

2.

Divisors and Factors

11

3.

Fractions and Decimal Numbers

32

Measurements 4.

Metric Measures

61

Geometry 5.

Point, Line, Line Segment and Plane

66

6.

Practical Geometry

74

Answers SCIENCE

78

(83 - 151)

Biology 1.

The World of Plants

2.

Food Habits

86 100

Chemistry 3.

Changes around us

113

Physics 4.

Measurement and Motion

124

5.

Magnetism

142

III

UNIT

TOPIC SOCIAL SCIENCE

PAGE No.

(152 - 200)

History 1.

Prehistoric Period

153

2.

Indus Valley Civilization

160

3.

Ancient Tamilnadu

168

Geography 4.

The Earth and the Solar System

176

Civics 5.

Family and Society

187

6.

Society and School

190

Economics 7.

Economics - An Introduction

IV

195

1

2 NUMBER SYSTEM

Natural Numbers and Whole Numbers

MATHEMATICS

3

Chapter - 1

4 NUMBER SYSTEM

Natural Numbers and Whole Numbers

MATHEMATICS

5

Chapter - 1

6 NUMBER SYSTEM

Natural Numbers and Whole Numbers

MATHEMATICS

7

Chapter - 1

8 NUMBER SYSTEM

Natural Numbers and Whole Numbers

MATHEMATICS

9

Chapter - 1

10 NUMBER SYSTEM

MATHEMATICS

11

Chapter - 2

which is correct ?

12 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 13

Chapter - 2

6 1 6 6

3 2 6 6

0

0

2 3 6 6

1 4 6 4

0

2

1 5 6 5

1 6 6 6

1

0

14 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 15

Chapter - 2

16 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 17

Chapter - 2

a

a

a

18 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 19

Chapter - 2

20 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS

21

Chapter - 2

22 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 23

Chapter - 2

24 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 25

Chapter - 2

26 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 27

Chapter - 2

28 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS 29

Chapter - 2

30 NUMBER SYSTEM

Divisors and Factors

MATHEMATICS

31

32 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 33

Chapter - 3

34 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 35

Chapter - 3

36 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 37

Chapter - 3

38 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 39

Chapter - 3

40 NUMBER SYSTEM

Fractions and Decimal Numbers

Add the numerators and write the same denominator as in step 1

MATHEMATICS

41

Chapter - 3

42 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 43

Chapter - 3

44 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 45

Chapter - 3

46 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 47

Chapter - 3

`

48 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 49

Chapter - 3

50 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS

51

Chapter - 3

52 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 53

Chapter - 3

54 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 55

Chapter - 3

56 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 57

Chapter - 3

58 NUMBER SYSTEM

Fractions and Decimal Numbers

MATHEMATICS 59

Chapter - 3

60 NUMBER SYSTEM

MATHEMATICS

61

Chapter - 4

62 MEASUREMENTS

Metric Measures

MATHEMATICS 63

Chapter - 4

1

2

3

64 MEASUREMENTS

Metric Measures

ear

MATHEMATICS 65

66

GEOMETRY

Point, Line, Line Segment and Plane

MATHEMATICS 67

Chapter - 5

68

GEOMETRY

Point, Line, Line Segment and Plane

5.6.1 COLLINEAR POINTS Do you know ?

MATHEMATICS 69

Chapter - 5

70

GEOMETRY

Point, Line, Line Segment and Plane

MATHEMATICS

71

Chapter - 5

72

GEOMETRY

Point, Line, Line Segment and Plane

MATHEMATICS 73

PRACTICAL GEOMETRY

74

GEOMETRY

Practical Geometry

MATHEMATICS 75

Chapter - 6

76

GEOMETRY

Practical Geometry

MATHEMATICS 77

78

ANSWERS

MATHEMATICS 79

80

ANSWERS

MATHEMATICS

81

82