Basic Math and Pre-Algebra For Dummies

Mark Zegarelli 

For Dummies | 2014 -2ª edição| 387 páginas | rar - pdf | 5 Mb

link (password : matav)

1ª edição - 2007/2012

A fun and accessible guide to the fundamentals of math

Somewhere along the line, you fell out of love with numbers. Simple math became difficult, and difficult math became impossible. But fear not, future math whiz—you are holding the solution in your hands! Conquer your math anxiety forever with the easy-to-follow instructions and practical exercises of Basic Math & Pre-Algebra For Dummies.

Open the book and find:

• Understand fractions, decimals, and percentages

• Unravel algebra word problems

• Work with graphs and measures

• Grasp prime numbers, factors, and multiples

• Master the Basics — understand the Big Four operations of addition, subtraction, multiplication, and division

• Strength in Numbers — explore counting numbers, integers, rational numbers, and real numbers and learn how to work with each set

• Geometry Simplified — gain a working knowledge of graphs and measurements from every angle

• Parts of the Whole — learn to work confidently with fractions, decimals, and percentages, using real-world examples

• Math Your Way — pick the approach — traditional, easy, or quick trick — that works for you

• Avoid Common Mistakes — learn how to identify and avoid ten annoying math demons

• Unmask Mr. X — tackle basic math and pre-algebra word problems, using single- and multiple-variable equations to find your answers

• The basics of math—addition, subtraction, multiplication, division

• Arithmetic expressions, whole numbers, factors, and multiples

• Fractions, decimals, and percentages

• Graphs, measures, stats, and sets

• Scientific notation and basic geometry

• An introduction to algebra and algebra word problems

• Ten math demons and how to avoid them

• Ten important number sets you should know

Contents at a Glance
Introduction.... 1
Part I: Getting Started with Basic Math and Pre-Algebra.... 5
Chapter 1: Playing the Numbers Game.....7
Chapter 2: It’s All in the Fingers: Numbers and Digits....25
Chapter 3: The Big Four: Addition, Subtraction, Multiplication, and Division....31
Part II: Getting a Handle on Whole Numbers.... 49
Chapter 4: Putting the Big Four Operations to Work.....51
Chapter 5: A Question of Values: Evaluating Arithmetic Expressions....67
Chapter 6: Say What? Turning Words into Numbers........79
Chapter 7: Divisibility.......91
Chapter 8: Fabulous Factors and Marvelous Multiples....99
Part III: Parts of the Whole: Fractions, Decimals, and Percents...... 113
Chapter 9: Fooling with Fractions.....115
Chapter 10: Parting Ways: Fractions and the Big Four Operations......131
Chapter 11: Dallying with Decimals......157
Chapter 12: Playing with Percents.....181
Chapter 13: Word Problems with Fractions, Decimals, and Percents......193
Part IV: Picturing and Measuring — Graphs, Measures, Stats, and Sets..... 205
Chapter 14: A Perfect Ten: Condensing Numbers with Scientific Notation....207
Chapter 15: How Much Have You Got? Weights and Measures.....215
Chapter 16: Picture This: Basic Geometry......227
Chapter 17: Seeing Is Believing: Graphing as a Visual Tool.......249
Chapter 18: Solving Geometry and Measurement Word Problems....257
Chapter 19: Figuring Your Chances: Statistics and Probability......269
Chapter 20: Setting Things Up with Basic Set Theory.....281