Basic Math & Pre-Algebra For Dummies

2. Auflage 2016
ISBN: 978-1-119-29363-7
Verlag: John Wiley & Sons Inc

Buch, Englisch, 384 Seiten, Format (B × H): 187 mm x 233 mm, Gewicht: 523 g

Basic Math & Pre-Algebra For Dummies, 2nd Edition (9781119293637) was previously published as Basic Math & Pre-Algebra For Dummies, 2nd Edition (9781118791981). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product.

Tips for simplifying tricky basic math and pre-algebra operations

Whether you're a student preparing to take algebra or a parent who wants or needs to brush up on basic math, this fun, friendly guide has the tools you need to get in gear. From positive, negative, and whole numbers to fractions, decimals, and percents, you'll build necessary math skills to tackle more advanced topics, such as imaginary numbers, variables, and algebraic equations.
- Explanations and practical examples that mirror today's teaching methods
- Relevant cultural vernacular and references
- Standard For Dummiesmaterials that match the current standard and design

Basic Math & Pre-Algebra For Dummies takes the intimidation out of tricky operations and helps you get ready for algebra!

Autoren/Hrsg.

Zegarelli, Mark

Inhaltsverzeichnis

Introduction 1

About This Book 1

Foolish Assumptions 2

Icons Used in This Book 3

Beyond the Book 3

Where to Go from Here 4

Part 1: Getting Started with Basic Math and Pre-algebra 5

Chapter 1: Playing the Numbers Game 7

Inventing Numbers 8

Understanding Number Sequences 8

Evening the odds 9

Counting by threes, fours, fives, and so on 9

Getting square with square numbers 10

Composing yourself with composite numbers 11

Stepping out of the box with prime numbers 12

Multiplying quickly with exponents 13

Looking at the Number Line 14

Adding and subtracting on the number line 14

Getting a handle on nothing, or zero 15

Taking a negative turn: Negative numbers 16

Multiplying the possibilities 17

Dividing things up 17

Discovering the space in between: Fractions 19

Four Important Sets of Numbers 19

Counting on the counting numbers 20

Introducing integers 20

Staying rational 21

Getting real 21

Chapter 2: It’s All in the Fingers: Numbers and Digits 23

Knowing Your Place Value 23

Counting to ten and beyond 24

Telling placeholders from leading zeros 25

Reading long numbers 26

Close Enough for Rock ’n’ Roll: Rounding and Estimating 26

Rounding numbers 26

Estimating value to make problems easier 28

Table of Contents

Chapter 3: The Big Four: Addition, Subtraction, Multiplication, and Division 29

Adding Things Up 30

In line: Adding larger numbers in columns 30

Carry on: Dealing with two-digit answers 31

Take It Away: Subtracting 31

Columns and stacks: Subtracting larger numbers 32

Can you spare a ten? Borrowing to subtract 33

Multiplying 35

Signs of the times 36

Memorizing the multiplication table 37

Double digits: Multiplying larger numbers 40

Doing Division Lick

Über Autor(innen)

Mark Zegarelli is the author of many successful For Dummies titles on math, logic, and test prep topics. He holds degrees in both English and math from Rutgers University and is the founder of SimpleStep Learning, an educational website (https://simplestep.co).