Page 3 - Mathematics
P. 3
Table of contents
Acknowledgments .................................................................................. v
Preface .................................................................................................... vi Tanzania Institute of Education
Chapter One: Concept of Mathematics ................................................. 1
Meaning of Mathematics .................................................................. 1
Branches of Mathematics .................................................................... 1
Relationship between Mathematics and other subjects .................... 2
Importance of Mathematics .............................................................. 5
Chapter Two: Numbers .......................................................................... 7
Concept of numbers ........................................................................ 7
Rational numbers .............................................................................. 7
Irrational numbers ........................................................................... 20
Real numbers .................................................................................. 22
Inequalities in real numbers ............................................................ 24
Absolute value of a real number ..................................................... 33
Chapter Three: Approximations.......................................................... 40
Meaning of approximations ............................................................ 40
Rounding off numbers .................................................................... 40
Significant figures ........................................................................... 49
Mathematics Form One
Approximations in calculations ...................................................... 53
Chapter Four: Ratios and proportions ................................................ 61
Ratios .............................................................................................. 61
Proportions ..................................................................................... 66
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Mathematics form 1.indd 3
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Mathematics form 1.indd 3 25/10/2024 09:51:01
