Other editions of book You Can Do Math: Percentages

This book will teach you about percentages and how to do calculations involving percentages. Most calculations can be done with and without a calculator. The questions and answers (which show you how to solve percentage problems) at the end of chapters will help you master this important math topic.Topics covered include:What is a percentage and why use percentages?Converting between fractions and percentagesConverting between decimals and percentagesCalculating percentages of quantities and amountsSimple interestCompound interestPercentage increases and compound interestPercentages decreases and depreciationReverse percentagesHere is the Table of Contents:Table of ContentsIntroduction Chapter 1: Introducing PercentagesWhat is a Percentage?Why Use Percentages?Chapter 2: Converting Between Fractions and PercentagesHow to Convert a Fraction into a Percentage- Converting a Fraction into a Percentage without a Calculator- Converting a Fraction into a Percentage without a Calculator (Equivalent Fraction Shortcut)- Converting a Fraction into a Percentage using a CalculatorHow to Convert a Percentage into a FractionTable of Equivalent Fractions and PercentagesQuestionsAnswers to Chapter 2 QuestionsChapter 3: Converting Between Decimals and PercentagesHow to Convert a Decimal into a Percentage- Converting a Decimal into a Percentage without a Calculator- Converting a Decimal into a Percentage using a CalculatorHow to Convert a Percentage into a Decimal- Converting a Percentage into a Decimal without a Calculator- Converting a Percentage into a Decimal using a CalculatorTable of Equivalent Fractions, Decimals and PercentagesQuestionsAnswers to Chapter 3 QuestionsChapter 4: Calculating Percentages of a Quantity or AmountHow to Calculate a Percentage of a Quantity or Amount- Calculating a Percentage of a Quantity/Amount without a Calculator- Calculating a Percentage of a Quantity/Amount without a Calculator (Using Portions Shortcut)- Calculating a Percentage of a Quantity/Amount using a CalculatorQuestionsAnswers to Chapter 4 QuestionsChapter 5: Simple InterestA Note on TerminologyHow to Perform Simple Interest Calculations- Simple Interest Calculations without a Calculator- Simple Interest Calculations using a CalculatorQuestionsAnswers to Chapter 5 QuestionsChapter 6: Percentage Increases and Compound InterestPercentage Increases- How to Increase a Quantity/Amount by a Percentage- How to Repeatedly Increase a Quantity/Amount by a Percentage- Formulae for Percentage IncreasesCompound Interest- Compound Interest Terminology- How to Perform Compound Interest CalculationsQuestionsAnswers to Chapter 6 QuestionsChapter 7: Percentage Decreases and DepreciationPercentage Decreases- How to Decrease a Quantity/Amount by a Percentage- How to Repeatedly Decrease a Quantity/Amount by a Percentage- Formulae for Percentage DecreasesDepreciation- How to Perform Depreciation CalculationsQuestionsAnswers to Chapter 7 QuestionsChapter 8: Reverse PercentagesHow to Reverse a Percentage Increase- Formulae to Reverse a Percentage Increase- Reverse a Percentage Increase ExamplesHow to Reverse a Percentage Decrease- Formulae to Reverse a Percentage Decrease- Reverse a Percentage Decrease ExamplesQuestionsAnswers to Chapter 8 QuestionsConclusion

This book will teach you about percentages and how to do calculations involving percentages. Most calculations can be done with and without a calculator. The questions and answers (which show you how to solve percentage problems) at the end of chapters will help you master this important math topic.Topics covered include:What is a percentage and why use percentages?Converting between fractions and percentagesConverting between decimals and percentagesCalculating percentages of quantities and amountsSimple interestCompound interestPercentage increases and compound interestPercentages decreases and depreciationReverse percentagesHere is the Table of Contents:Table of ContentsIntroduction Chapter 1: Introducing PercentagesWhat is a Percentage?Why Use Percentages?Chapter 2: Converting Between Fractions and PercentagesHow to Convert a Fraction into a Percentage- Converting a Fraction into a Percentage without a Calculator- Converting a Fraction into a Percentage without a Calculator (Equivalent Fraction Shortcut)- Converting a Fraction into a Percentage using a CalculatorHow to Convert a Percentage into a FractionTable of Equivalent Fractions and PercentagesQuestionsAnswers to Chapter 2 QuestionsChapter 3: Converting Between Decimals and PercentagesHow to Convert a Decimal into a Percentage- Converting a Decimal into a Percentage without a Calculator- Converting a Decimal into a Percentage using a CalculatorHow to Convert a Percentage into a Decimal- Converting a Percentage into a Decimal without a Calculator- Converting a Percentage into a Decimal using a CalculatorTable of Equivalent Fractions, Decimals and PercentagesQuestionsAnswers to Chapter 3 QuestionsChapter 4: Calculating Percentages of a Quantity or AmountHow to Calculate a Percentage of a Quantity or Amount- Calculating a Percentage of a Quantity/Amount without a Calculator- Calculating a Percentage of a Quantity/Amount without a Calculator (Using Portions Shortcut)- Calculating a Percentage of a Quantity/Amount using a CalculatorQuestionsAnswers to Chapter 4 QuestionsChapter 5: Simple InterestA Note on TerminologyHow to Perform Simple Interest Calculations- Simple Interest Calculations without a Calculator- Simple Interest Calculations using a CalculatorQuestionsAnswers to Chapter 5 QuestionsChapter 6: Percentage Increases and Compound InterestPercentage Increases- How to Increase a Quantity/Amount by a Percentage- How to Repeatedly Increase a Quantity/Amount by a Percentage- Formulae for Percentage IncreasesCompound Interest- Compound Interest Terminology- How to Perform Compound Interest CalculationsQuestionsAnswers to Chapter 6 QuestionsChapter 7: Percentage Decreases and DepreciationPercentage Decreases- How to Decrease a Quantity/Amount by a Percentage- How to Repeatedly Decrease a Quantity/Amount by a Percentage- Formulae for Percentage DecreasesDepreciation- How to Perform Depreciation CalculationsQuestionsAnswers to Chapter 7 QuestionsChapter 8: Reverse PercentagesHow to Reverse a Percentage Increase- Formulae to Reverse a Percentage Increase- Reverse a Percentage Increase ExamplesHow to Reverse a Percentage Decrease- Formulae to Reverse a Percentage Decrease- Reverse a Percentage Decrease ExamplesQuestionsAnswers to Chapter 8 QuestionsConclusion