All the Math You'll Ever Need A Self-Teaching Guide

by Slavin, Steve

• ISBN13: 9780471317517
• ISBN10: 0471317519
• Edition: 2nd
• Format: Paperback
• Copyright: 1999-04-12
• Publisher: Wiley

Summary

A sharp mind, like a healthy body, is subject to the same rule of nature: Use it or lose it. Need a calculator just to work out a 15 percent service charge? Not exactly sure how to get the calculator to give you the figure you need? Turn to this revised and updated edition of All the Math You'll Ever Need, the friendliest, funniest, and easiest workout program around. In no time, you'll have total command of all the powerful mathematical tools needed to make numbers work for you. In a dollars-and-cents, bottom-line world, where numbers influence everything, none of us can afford to let our math skills atrophy. This step-by-step personal math trainer: * Refreshes practical math skills for your personal and professional needs, with examples based on everyday situations. * Offers straightforward techniques for working with decimals and fractions. * Demonstrates simple ways to figure discounts, calculate mortgage interest rates, and work out time, rate, and distance problems. * Contains no complex formulas and no unnecessary technical terms.

Author Biography

STEVE SLAVIN, Ph.D., is a professor of economics at Union County College in Cranford, New Jersey. He is the author of several textbooks and self-teaching guides, including Quick Business Math, Math for Your First and Second Grader, and Economics (all from Wiley).

Table of Contents

How to Use This Book	vii	(3)
Acknowledgments	x
1 Getting Started	1	(3)
2 Simple Multiplication	4	(6)
What Is Multiplication?	4	(1)
The Multiplication Table	5	(1)
Learning the Multiplication Table	5	(5)
3 Long Multiplication	10	(9)
Testing Your Knowledge	10	(1)
About Long Multiplication	11	(2)
Practice Exercises with Two Digits	13	(1)
Multiplying Three Digits	14	(1)
Four-Digit Multiplication	15	(2)
Word Problems with Multiplication	17	(2)
4 Division	19	(9)
Short Division	19	(3)
Long Division	22	(3)
Word Problems with Division	25	(3)
5 Fast Multiplication and Division	28	(4)
Fast Multiplication	28	(2)
Fast Division	30	(1)
How Are You Doing So Far?	31	(1)
6 Multiplying and Dividing with Decimals	32	(4)
Multiplying with Decimals	32	(2)
Dividing with Decimals	34	(2)
7 Converting Fractions into Decimals and Decimals into Fractions	36	(5)
Converting Fractions into Decimals	36	(2)
Converting Decimals into Fractions	38	(1)
Reducing Fractions to Their Lowest Denominators	39	(2)
8 Adding, Subtracting, Multiplying, and Dividing Fractions	41	(10)
Adding Fractions	41	(3)
Subtracting Fractions	44	(1)
Multiplying by Fractions	45	(2)
Dividing by Fractions	47	(2)
Cancelling Out	49	(2)
9 Advanced Word Problems	51	(5)
Words and Fractions	51	(2)
Word Problems with Money	53	(3)
10 Percentages	56	(11)
Fractions, Decimals, and Percentages	56	(3)
Percentage Changes	59	(1)
Fast Percentage Changes	60	(2)
Percentage Distribution	62	(3)
Tipping	65	(2)
11 Negative Numbers	67	(5)
What Are Negative Numbers?	67	(1)
Adding Negative Numbers	68	(1)
Subtracting Negative Numbers	68	(1)
Multiplying Negative Numbers	69	(2)
Division with Negative Numbers	71	(1)
12 The Isolation of x	72	(11)
The Care and Treatment of Equations	72	(1)
Isolating x	72	(1)
Addition and Subtraction with x	73	(1)
Multiplication and Division with x	74	(2)
Decimals with x	76	(1)
Negative Numbers	77	(2)
Combination Problems with x	79	(4)
13 Exponents and Square Roots	83	(6)
Exponents: The Powers of x	83	(2)
Square Roots	85	(2)
Advanced Problems	87	(2)
14 Ratios and Proportions	89	(6)
Ratios	89	(2)
Proportions	91	(4)
15 Finding the Areas of Rectangles and Triangles	95	(10)
Areas of Rectangles	95	(3)
When We Use Area	98	(2)
Perimeters of Rectangles	100	(2)
Areas of Triangles	102	(3)
16 Finding the Circumferences and Areas of Circles	105	(7)
Circumferences of Circles	105	(3)
The Area of a Circle	108	(4)
17 Rate, Time, and Distance Problems	112	(19)
The Magic Formula	112	(1)
The Terms	112	(1)
Finding Distance	113	(2)
Finding Rate	115	(5)
Finding Time	120	(4)
Rate, Time, and Distance Problems	124	(2)
Speed Limit Problems	126	(5)
18 Finding x: Advanced Problems	131	(10)
Age Problems	131	(3)
Finding the Numbers	134	(3)
Nut Problems	137	(4)
19 Interest Rates	141	(12)
Simple Interest	141	(2)
Compound Interest	143	(3)
Doubling Time: The Rule of 70	146	(2)
Discounting	148	(2)
The True Rate of Interest	150	(3)
20 Big Numbers	153	(10)
Thousands and Millions	153	(2)
Billions and Trillions	155	(3)
Quadrillions, Quintillions, and Even Bigger Numbers	158	(1)
Multiplying Big Numbers	159	(1)
Dividing Big Numbers	160	(3)
21 A Taste of Statistics	163	(3)
The Mean, the Median, and the Mode	163	(3)
22 Personal Finances	166	(17)
Mark-Down Problems	166	(4)
Sales Tax Problems	170	(3)
Credit Card Problems	173	(3)
Figuring Your Federal Income Tax	176	(3)
Mortgage Interest and Taxes	179	(4)
23 Business Math	183	(23)
Commissions	183	(3)
Mark-Ups	186	(2)
Discounting from List Price	188	(3)
Quantity Discounts	191	(2)
2/10 n/30	193	(4)
Chain Discounts	197	(2)
Profit	199	(7)
24 Review	206	(23)
Where To from Here?	227	(2)
Index	229