3.21+Text+Table+of+Contents

CONTENTS

VOLUME 1

UNIT I A REVIEW OF BASIC MATH OPERATIONS .............................................. 1  PART 1 WHOLE NUMBERS.................................................................................3

1.1 Place Value...................................................................................................3

1.2 Comparing and Rounding Whole Numbers....................................................... 7

1.3 Adding and Subtracting Whole Numbers ....................................................... 10

1.4 Multiplying Whole Numbers .......................................................................... 13

1.5 Dividing Whole Numbers............................................................................... 15  PART 2 DECIMAL OPERATIONS........................................................................ 21

2.1 Decimal Place Value .................................................................................... 21

2.2 Comparing and Ordering Decimals ................................................................. 26

2.3 Rounding Decimals ....................................................................................... 28

2.4 Adding Decimals............................................................................................ 30

2.5 Subtracting Decimals ..................................................................................... 32

2.6 Multiplying Decimals....................................................................................... 35

2.7 Dividing a Decimal by a Whole Number ............................................................ 37

2.8 Dividing by a Decimal...................................................................................... 39  PART 3 FRACTIONS ........................................................................................... 46

3.1 Fractions ....................................................................................................... 46

3.2 Types of Fractions .......................................................................................... 46

3.3 Finding Equivalent Fractions............................................................................. 46

3.4 Fractions In Lowest Terms................................................................................ 47

3.5 Mixed Numbers................................................................................................ 48

3.6 Least Common Denominator (LCD) ................................................................... 49

3.7 Comparing and Ordering Fractions .................................................................... 50

3.8 Adding Like Fractions....................................................................................... 51

3.9 Adding Unlike Fractions ................................................................................... 52

3.10 Subtracting Fractions ..................................................................................... 54

3.11 Subtracting Mixed Fractions ........................................................................... 56

3.12 Multiplying Fractions....................................................................................... 58

3.13 Multiplying Mixed Numbers ............................................................................. 60

3.14 Dividing Fractions ........................................................................................... 62

3.15 Dividing Mixed Numbers .................................................................................. 64  PART 4 CONVERSIONS ........................................................................................ 73

4.1 Converting Fractions to Decimals ....................................................................... 73

4.2 Converting Decimals to Fractions ....................................................................... 75

4.3 Converting Decimal mixed Numbers to Fractional Equivalents............................... 76  PART 5 PERCENTS .............................................................................................. 82

5.1 Percent............................................................................................................. 82

5.2 Percents and Decimals ..................................................................................... 82

5.3 Percents and Fractions ..................................................................................... 84

5.4 Percentage Formulas ........................................................................................ 86

5.5 Analyzing Word Problems Asking for Percentage ................................................ 88

5.6 Finding the Rate (percent) One Number of Another .............................................. 89

5.7 Analyzing Word Problems Asking for Percent (rate)............................................. 91

5.8 Percent of Increase or Decrease ....................................................................... 92

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5.9 Analyzing Word Problems Asking for Percent of Increase or Decrease ................. 93

5.10 Finding a Number When a Percent of It Is Known.............................................. 94

5.11 Analyzing Word Problems Asking for the Base/Original Amount ........................ 96  UNIT I REVIEW ................................................................................................... 101

UNIT II USING THE 9 BASIC KEYS OF A CALCULATOR ........................................ 107  PART 6 CALCULATOR FEATURES........................................................................ 109  PART 7 BASIC OPERATIONS ............................................................................... 111

7.1 Addition .......................................................................................................... 111

7.2 Subtraction...................................................................................................... 118

7.3 Credit Balances .............................................................................................. 124

7.4 Subtotal........................................................................................................... 130

7.5 Grand Total ..................................................................................................... 135  PART 8 MULTIPLICATION...................................................................................... 145

8.1 Multiplication ................................................................................................... 145

8.2 Sequential Multiplication .................................................................................. 151

8.3 Constant Multiplication .................................................................................... 153  PART 9 DIVISION ................................................................................................. 157

9.1 Division ........................................................................................................... 157

9.2 Constant Division - Divisor ................................................................................. 161

9.3 Constant Division - Dividend .............................................................................. 163  PART 10 FRACTIONS AND PERCENTS ................................................................. 170

10.1 Fractions ....................................................................................................... 170

10.2 Fractions - Addition and Subtraction ................................................................ 172

10.3 Fractions - Multiplication and Division .............................................................. 174

10.4 Percents........................................................................................................ 177

10.5 Percentage ................................................................................................... 179

10.6 Percent - Finding the Rate .............................................................................. 181

10.7 Percent - Finding the Base.............................................................................. 183  UNIT II REVIEW .................................................................................................... 188

UNIT III USING THE ACCUMULATOR KEYS OF A CALCULATOR ............................. 191  PART 11 ACCUMULATIVE MULTIPLICATION .......................................................... 193 PART 12 NEGATIVE MULTIPLICATION ................................................................... 199 PART 13 CONSTANT MULTIPLICATION WITH ACCUMULATION ............................... 201 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 14 DIVISION - ACCUMULATION OF QUOTIENTS ............................................ 207 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 15 NEGATIVE DIVISION ................................................................................ 209 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 16 CONSTANT DIVISION WITH ACCUMULATION ............................................ 211 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 17 MIXED CALCULATIONS - ADDITION AND SUBTRACTION FOLLOWED BY MULTIPLICATION AND DIVISION .................................................... 215 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 18 MIXED CALCULATIONS – MULTIPLICATION AND DIVISION FOLLOWED BY ADDITION AND SUBTRACTION ...................................................... 217 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 19 MIXED CALCULATIONS – MULTIPLICATION AND DIVISION FOLLOWED BY MUTIPLICATION AND DIVISION ...................................................... 219 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">UNIT III REVIEW ..................................................................................................... 223

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UNIT IV BASIC BUSINESS APPLICATIONS .............................................................. 225 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;">PART 20 INVOICES AND DISCOUNTS ..................................................................... 227

20.1 Cash Discounts ............................................................................................... 227

20.2 Trade Discounts .............................................................................................. 229

20.3 Chain Discounts .............................................................................................. 230

20.4 Invoices .......................................................................................................... 233 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;"> PART 21 PAYROLL REGISTERS ............................................................................ 242

21.1 Payroll ........................................................................................................... 242

21.2 Payroll Register – Straight Salary ..................................................................... 243

21.3 Payroll Register – Hourly Wage ....................................................................... 248

21.4 Payroll Register – Piece Rate .......................................................................... 256

21.5 Payroll Register – Commissions ...................................................................... 261

21.6 Payroll Register – Straight Commission ........................................................... 262

21.7 Payroll Register – Salary Plus Commission ..................................................... 265

21.8 Payroll Register – Salary Plus Bonus .............................................................. 268 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;"> PART 22 SIMPLE INTEREST ................................................................................ 272

22.1 Simple Interest – Finding the Interest .............................................................. 272

22.2 Simple Interest – Finding the Rate .................................................................. 274

22.3 Simple Interest – Finding the Principal ............................................................ 276

22.4 Simple Interest – Finding the Time .................................................................. 278

22.5 Simple Interest – Finding the Maturity Value .................................................... 280 <span style="border: 1px none #dddddd; clear: both; display: block; margin-bottom: 15px; margin-left: auto; margin-right: auto; padding: 10px;"> UNIT IV REVIEW................................................................................................... 284