Page 2 - 新思维数学活动用书8 样章

Contents

How to use this book 3 5.2 The exterior angle of a triangle 63

Acknowledgements 4 5.3 Constructions 65
1 Integers 5 6 Collecting data 67

1.1 Factors, multiples and primes 5
6.1 Data collection 67
1.2 Multiplying and dividing integers 7
6.2 Sampling 69
1.3 Square roots and cube roots 9
1.4 Indices 10 7 Fractions 72

7.1 Fractions and recurring decimals 72
2 Expressions, formulae
and equations 12 7.2 Ordering fractions 75
7.3 Subtracting mixed numbers 78
2.1 Constructing expressions 12
7.4 Multiplying an integer by a mixed
2.2 Using expressions and formulae 16
number 82
2.3 Expanding brackets 20
7.5 Dividing an integer by a fraction 86
2.4 Factorising 24
7.6 Making fraction calculations easier 90
2.5 Constructing and solving equations 27

2.6 Inequalities 33 8 Shapes and symmetry 94
8.1 Quadrilaterals and polygons 94
3 Place value and rounding 38
8.2 The circumference of a circle 100
3.1 Multiplying and dividing by 0.1 and
8.3 3D shapes 103
0.01 38
3.2 Rounding 41 9 Sequences and functions 110

4 Decimals 45 9.1 Generating sequences 110
9.2 Finding rules for sequences 114
4.1 Ordering decimals 45
9.3 Using the nth term 118
4.2 Multiplying decimals 48
9.4 Representing simple functions 121
4.3 Dividing by decimals 52

4.4 Making decimal calculations easier 56 10 Percentages 128

10.1 Percentage increases and decreases 128
5 Angles and constructions 60
10.2 Using a multiplier 130
5.1 Parallel lines 60

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