TABLE OF CONTENTS

VMGOs i

Foreword ii

Preface iii

Acknowledgement iv

Table of Contents v

UNIT I- MASTERING BASIC FUNDAMENTAL OPERATIONS

1

CHAPTER 1- ADDITION OF WHOLE NUMBERS 2

Lesson 1- What is Addition? 3

Lesson 2- Properties of Addition 6

Lesson 3- Mastering Skills in Adding Whole Numbers 9

Lesson 4- Different Methods in Adding Whole Numbers 13

Lesson 5- How to solve a word problem? 17

Lesson 6- Application of addition of whole numbers: WORD PROBLEM

22

CHAPTER 2- SUBTRACTION OF WHOLE NUMBERS 26

Lesson 7- What is Subtraction? 27

Lesson 8- Mastering Skills in Subtraction 31

Lesson 9- Problem Solving Involving Subtraction of whole numbers 33

CHAPTER 3- MULTIPLICATION OF WHOLE NUMBERS

38

Lesson 10- What is Multiplication? 39

Lesson 11- Properties of Multiplication 41

Lesson 12- Mastering Skills in Multiplying Whole Numbers 43

Lesson 13- “The 99 Multiplier” Shortcut in multiplying whole numbers47

Lesson 14- “Power of Ten Multiplication” Shortcut In Multiplying Whole Numbers 49Lesson 15- Problem solving involving Multiplication of Whole Numbers 51

CHAPTER 4- DIVISION OF WHOLE NUMBERS 57

Lesson 16- What is Division? 58

Lesson 17- Mastering Skills in Division of Whole Numbers 64

Lesson 18- “Cancellation of Insignificant Zeros” Easy ways in Dividing Whole Numbers 69Lesson 19- Problem Solving Involving Division of Whole Numbers

73

UNIT II- INTEGERS77

CHAPTER 5- WORKING WITH INTEGERS 78

Lesson 20- What is Integer? 79

Lesson 21- Addition of Integers 83

Lesson 22- Subtraction of Integers 86

Lesson 23- Multiplication of Integer 88

Lesson 24- Division of Integers 92

Lesson 25- Punctuation and Precedence of Operation 95

MATH AND TECHNOLOGY 102REFERENCES