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CONTENTS

Introduction v
Chapter 4 Ratios, Rates and
Symbols and Formulae vii Proportions 74

4.1 Ratios 76
Chapter 1 Rational Numbers 1 4.2 Rates 81

1.1 Integers 2 4.3 Proportions 84
1.2 Basic Arithmetic Operations 4.4 Ratios, Rates and Proportions 87
Involving Integers 7 4.5 Relationship between Ratios,
1.3 Positive and Negative Fractions 14 Rates and Proportions, with
Percentages, Fractions
1.4 Positive and Negative Decimals 19
and Decimals 93
1.5 Rational Numbers 23

Chapter 5 Algebraic Expressions 104
Chapter 2 Factors and Multiples 30
5.1 Variables and
2.1 Factors, Prime Factors and Algebraic Expression 106
Highest Common Factor 5.2 Algebraic Expressions
(HCF) 32
Involving Basic Arithmetic
2.2 Multiples, Common Multiples Operations 113
and Lowest Common Multiple
(LCM) 38

Chapter 6 Linear Equations 122

Chapter 3 Squares, Square Roots, 6.1 Linear Equations in
Cubes and Cube Roots 46 One Variable 124
6.2 Linear Equations in
3.1 Squares and Square Roots 48
Two Variables 132
3.2 Cubes and Cube Roots 58
6.3 Simultaneous Linear
Equations in Two Variables 137

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0_iii Content BT Math F1.indd 3 10/21/16 3:29 PM