Page 10 - CT&AI_CLasa_7_Part_1

Contents

mathematics

PART–I

1. Large Numbers Around Us ..........................................................................................12

2. Arithmetic Expressions ................................................................................................16

3. A Peek Beyond the Point .............................................................................................19

4. Expression using Letter-Numbers ...............................................................................23

5. Parallel and Intersecting Lines.....................................................................................26
6. Number Play ................................................................................................................30

7. A Tale of Three Intersecting Lines ...............................................................................33

8. Working with fractions ..................................................................................................36

PART–II

1. Geometric Twins ..........................................................................................................40

2. Operations with Integers ..............................................................................................42

3. Finding Common Ground ............................................................................................44

4. Another Peek Beyond the Point...................................................................................46

5. Connecting the Dots ....................................................................................................48
6. Construction and Tilings ..............................................................................................50

7. Finding the Unknown ...................................................................................................52

Answers Part–I & II .....................................................................................................54

science

1. The Ever-Evolving World of Science ...........................................................................56

2. Exploring Substances: Acidic, Basic, and Neutral .......................................................59

3. Electricity: Circuits and their Components ...................................................................62
4. The World of Metals and Non-metals ..........................................................................65

5. Changes Around Us: Physical and Chemical .............................................................68

6. Adolescence: A Stage of Growth and Change ...........................................................71

7. Heat Transfer in Nature ...............................................................................................74

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