# NUMBER SMART Quest for Excellence

Rex Bookstore, Inc.

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well i learned math from this book and it's really filled with knowledge

### Contents

 Chapter One Sets 1 Set Operations 8 Place Value of Whole Numbers 20 Rounding Off Whole Numbers 27 Addition and Subtraction of Whole Numbers 36 Division of Whole Numbers 42 Summative Test 49 umber Theory and Fractions Number Theory Lesson 1 Divisibility Rules 54
 ecimals Ratio and Proportion Decimals Lesson 1 Renaming Fractions as Decimals and Vice Versa 103 Place Value of Decimals 106 Rounding Off Decimals 108 Addition and Subtraction of Decimals Ill Lesson 5 Multiplication of Decimals 114 Division of Decimals 117 Solving Problems Involving Decimals 119 Ratio and Rate 123 Partitive Proportion 130

 Prime and Composite Numbers 58 Prime Factorization 61 Greatest Common Factor 63 Least Common Multiple 67 Chapter Two Fractions Lesson 1 Equivalent Fractions 71 Reducing Fractions to Lowest Terms 75 Comparing and Ordering Fractions 77 Addition and Subtraction of Fractions 82 Multiplication of Fractions 86 Division of Fractions 90 Solving Problems Involving Fractions 93 Summative Test 98
 Percents 138 Percentage Base and Rate 144 Marked Price Sale Price and Discount 150 Angles 156 Polygons 162 Chapter Three 171 Surface Area of Prisms 178 Converting One Cubic Unit of Measure to a Larger or Smaller Unit 185 Line Graph 190 Summative Test 204 Copyright