Basic Mathematics MD0900

TABLE OF CONTENTS 3 INTRODUCTION 5 LESSON 1 8 Place Value 8 Parts of a Problem 9 Addition 11 Subtraction 12 Multiplication 14 Division 15 Checking 18 Combined Operations 21 Self-Test 23 Solutions 24 LESSON 2 26 Definition 26 Multiplying and Dividing Fractions 27 Adding and Subtracting Fractions 28 Reducing Fractions 36 Improper Fractions 39 Self-Test 42 Solutions 43 LESSON 3 44 Definition 45 Reading and Writing Decimals 45 Changing Fractions to Decimals 48 Changing Decimals to Fractions 49 Adding Decimals 50 Subtracting Decimals 50 Multiplying Decimals 51 Dividing Decimals 52 "Rounding" Decimals 53 Special Rounding Procedures 59 Percents 60 Self-Test 64 Solutions 67 LESSON 4 69 History 69 Basic Metric Measures 71 Prefixes and Root Words 73 Units of Distance 75 Units of Volume 78 Units of Mass (Weight) 83 Units of Area 86 Temperature 88 Self-Test 93 Solutions 96 LESSON 5 97 Negative Numbers 97 Rule for Addition of Two Positive Numbers 98 Rule for Addition of Two Negative Numbers 99 Rule for Addition of a Positive Number and a Negative Number 99 Rule for Subtraction 100 Rule for Multiplication 102 Rule for Division 103 Scientific Notation 104 Multiplying Using Scientific Notation 108 Dividing Using Scientific Notation 109 Squares and Square Roots 110 Square 110 Square Root 111 Estimating the Square Root of a Number Greater Than 1 113 Estimating the Square Root of a Number Less Than 1 115 Self-Test 117 Solutions 118 APPENDIX 119 COMMENT SHEET 124