Mark Zegarelli is an instructor and math and test prep tutor in New Jersey. He is the author of Basic Math & Pre-Algebra For Dummies, SAT Math For Dummies, ACT Math For Dummies, Logic For Dummies, and Calculus II For Dummies. In his spare time, he enjoys traveling and learning foreign languages.

• Introduction 1Part 1: The Questions 5Chapter 1: The Big Four Operations 7Chapter 2: Less than Zero: Working with Negative Numbers 11Chapter 3: You’ve Got the Power: Powers and Roots 17Chapter 4: Following Orders: Order of Operations 23Chapter 5: Big Four Word Problems 29Chapter 6: Divided We Stand 35Chapter 7: Factors and Multiples 43Chapter 8: Word Problems about Factors and Multiples 49Chapter 9: Fractions 53Chapter 10: Decimals 63Chapter 11: Percents 69Chapter 12: Ratios and Proportions 75Chapter 13: Word Problems for Fractions, Decimals, and Percents 79Chapter 14: Scientific Notation 87Chapter 15: Weights and Measures 91Chapter 16: Geometry 97Chapter 17: Graphing 109Chapter 18: Statistics and Probability 115Chapter 19: Set Theory 123Chapter 20: Algebraic Expressions 127Chapter 21: Solving Algebraic Equations 133Chapter 22: Solving Algebra Word Problems 139Part 2: The Answers 143Chapter 23: Answers 145Index 407

Mark Zegarelli is an instructor and math and test prep tutor in New Jersey. He is the author of Basic Math & Pre-Algebra For Dummies, SAT Math For Dummies, ACT Math For Dummies, Logic For Dummies, and Calculus II For Dummies. In his spare time, he enjoys traveling and learning foreign languages.

• Introduction 1Part 1: The Questions 5Chapter 1: The Big Four Operations 7Chapter 2: Less than Zero: Working with Negative Numbers 11Chapter 3: You’ve Got the Power: Powers and Roots 17Chapter 4: Following Orders: Order of Operations 23Chapter 5: Big Four Word Problems 29Chapter 6: Divided We Stand 35Chapter 7: Factors and Multiples 43Chapter 8: Word Problems about Factors and Multiples 49Chapter 9: Fractions 53Chapter 10: Decimals 63Chapter 11: Percents 69Chapter 12: Ratios and Proportions 75Chapter 13: Word Problems for Fractions, Decimals, and Percents 79Chapter 14: Scientific Notation 87Chapter 15: Weights and Measures 91Chapter 16: Geometry 97Chapter 17: Graphing 109Chapter 18: Statistics and Probability 115Chapter 19: Set Theory 123Chapter 20: Algebraic Expressions 127Chapter 21: Solving Algebraic Equations 133Chapter 22: Solving Algebra Word Problems 139Part 2: The Answers 143Chapter 23: Answers 145Index 407

Mark Zegarelli is an instructor and math and test prep tutor in New Jersey. He is the author of Basic Math & Pre-Algebra For Dummies, SAT Math For Dummies, ACT Math For Dummies, Logic For Dummies, and Calculus II For Dummies. In his spare time, he enjoys traveling and learning foreign languages.

• Introduction 1Part 1: The Questions 5Chapter 1: The Big Four Operations 7Chapter 2: Less than Zero: Working with Negative Numbers 11Chapter 3: You’ve Got the Power: Powers and Roots 17Chapter 4: Following Orders: Order of Operations 23Chapter 5: Big Four Word Problems 29Chapter 6: Divided We Stand 35Chapter 7: Factors and Multiples 43Chapter 8: Word Problems about Factors and Multiples 49Chapter 9: Fractions 53Chapter 10: Decimals 63Chapter 11: Percents 69Chapter 12: Ratios and Proportions 75Chapter 13: Word Problems for Fractions, Decimals, and Percents 79Chapter 14: Scientific Notation 87Chapter 15: Weights and Measures 91Chapter 16: Geometry 97Chapter 17: Graphing 109Chapter 18: Statistics and Probability 115Chapter 19: Set Theory 123Chapter 20: Algebraic Expressions 127Chapter 21: Solving Algebraic Equations 133Chapter 22: Solving Algebra Word Problems 139Part 2: The Answers 143Chapter 23: Answers 145Index 407