# Developmental Mathematics, 4th edition

• Elayn Martin-Gay

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## Overview

Elayn Martin-Gay is known for her accessible writing style with built-in support, including an emphasis on study skills. In Developmental Mathematics, Elayn supports student success through her accessible writing style and tools to increase study skills. Features in the text and other learning resources help you reinforce concepts and tie skills together. End-of-chapter support helps you when preparing for a test. The 4th Edition updates exercise sets and applications throughout, adds new Getting Ready for the Test exercises, offers a new Key Concept and Activity Lab Workbook, and much more.

ISBN-13: 9780136881223

Subject: Developmental Math

Category: Basic Math/Prealgebra & Beginning Algebra Combined

## Overview

1. The Whole Numbers
• 1.1 Study Skills Tips for Success in Mathematics
• 1.2 Place Value, Names, and Reading Tables
• 1.3 Adding Whole Numbers and Perimeter
• 1.4 Subtracting Whole Numbers
• 1.5 Rounding and Estimating
• 1.6 Multiplying Whole Numbers and Area
• 1.7 Dividing Whole Numbers
• Integrated Review - Operations on Whole Numbers
• 1.8 An Introduction to Problem Solving
• 1.9 Exponents, Square Roots, and Order of Operations
2. Multiplying and Dividing Fractions
• 2.1 Introduction to Fractions and Mixed Numbers
• 2.2 Factors and Prime Factorization
• 2.3 Simplest Form of a Fraction
• Integrated Review - Summary on Fractions, Mixed Numbers, and Factors
• 2.4 Multiplying Fractions and Mixed Numbers
• 2.5 Dividing Fractions and Mixed Numbers
• 3.1 Adding and Subtracting Like Fractions
• 3.2 Least Common Multiple
• 3.3 Adding and Subtracting Unlike Fractions
• Integrated Review - Operations on Fractions and Mixed Numbers
• 3.4 Adding and Subtracting Mixed Numbers
• 3.5 Order, Exponents, and the Order of Operations
• 3.6 Fractions and Problem Solving
4. Decimals
• 4.1 Introduction to Decimals
• 4.2 Order and Rounding
• 4.3 Adding and Subtracting Decimals
• 4.4 Multiplying Decimals and Circumference of a Circle
• Integrated Review - Operations on Decimals
• 4.5 Dividing Decimals and Order of Operations
• 4.6 Fractions and Decimals
5. Ratio, Proportion, and Percent
• 5.1 Ratio and Proportion
• 5.2 Introduction to Percent
• 5.3 Percents and Fractions
• 5.4 Solving Percent Problems Using Equations
• 5.5 Solving Percent Problems Using Proportions
• Integrated Review - Ratio, Proportion, and Percent
• 5.6 Applications of Percent
• 5.7 Percent and Problem Solving: Sales Tax, Commission, and Discount
• 5.8 Percent and Problem Solving: Interest
6. Geometry
• 6.1 Lines and Angles
• 6.2 Plane Figures and Solid
• 6.3 Perimeter
• 6.4 Area
• 6.5 Volume
• 6.6 Square roots and the Pythagorean Theorem
• 6.7 Congruent and Similar Triangles
7. Reading Graphs and Introductions to Statistics and Probability
• 7.1 Pictographs, Bar Graphs, Histograms, and Line Graphs
• 7.2 Circle Graphs
• Integrated Review - Reading Graphs
• 7.3 Mean, Median, Mode, and Range
• 7.4 Counting and Introduction to Probability
8. Real Numbers and Introductions to Algebra
• 8.1 Symbols and Sets of Numbers
• 8.2 Exponents, Order of Operations, and Variable Expressions
• 8.4 Subtracting Real Numbers
• Integrated Review - Operations on Real Numbers
• 8.5 Multiplying and Dividing Real Numbers
• 8.6 Properties of Real Numbers
• 8.7 Simplifying Expressions
9. Equations, Inequalities, and Problem Solving
• 9.1 The Addition Property of Equality
• 9.2 The Multiplication Property of Equality
• 9.3 Further Solving Linear Equations
• Integrated Review - Solving Linear Equations
• 9.4 Further Problem Solving
• 9.5 Formulas and Problem Solving
• 9.6 Percent and Mixture Problem Solving
• 9.7 Linear Inequalities and Problem Solving
10. Graphing Equations and Inequalities
• 10.1 The Rectangular Coordinate System
• 10.2 Graphing Linear Equations
• 10.4 Slope and Rate of Change
• 10.5 Equations of Lines
• Integrated Review - Summary on Linear Equations
• 10.6 Introduction to Functions
• 10.7 Graphing Linear Inequalities in Two Variables
• 10.8 Direct and Inverse Variation
11. Systems of Equations
• 11.1 Solving Systems of Linear Equations by Graphing
• 11.2 Solving Systems of Linear Equations by Substitution
• 11.3 Solving Systems of Linear Equations by Addition
• Integrated Review - Summary on Solving Systems of Equations
• 11.4 Systems of Linear Equations and Problem Solving
12. Exponents and Polynomials
• 12.1 Exponents
• 12.2 Negative Exponents and Scientific Notation
• 12.3 Introduction to Polynomials
• 12.4 Adding and Subtracting Polynomials
• 12.5 Multiplying Polynomials
• 12.6 Special Products
• Integrated Review - Exponents and Operations on Polynomials
• 12.7 Dividing Polynomials
13. Factoring Polynomials
• 13.1 The Greatest Common Factor and Factoring by Grouping
• 13.2 Factoring Trinomials of the Form x2 + bx + c
• 13.3 Factoring Trinomials of the Form ax2 +bx + c
• 13.4 Factoring Trinomials of the Form ax2 + bx + c by Grouping
• 13.5 Factoring Perfect Square Trinomials and the Difference of Two Squares
• Integrated Review-Choosing a Factoring Strategy
• 13.6 Solving Quadratic Equations by Factoring
• 13.7 Quadratic Equations and Problem Solving
14. Rational Expressions
• 14.1 Simplifying Rational Expressions
• 14.2 Multiplying and Dividing Rational Expressions
• 14.3 Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator
• 14.4 Adding and Subtracting Rational Expressions with Different Denominators
• 14.5 Solving Equations Containing Rational Expressions
• Integrated Review-Summary on Rational Expressions
• 14.6 Rational Equations and Problem Solving
• 14.7 Simplifying Complex Fractions
• 15.4 Multiplying and Dividing Radicals
• Integrated Review - Simplifying Radicals
• 15.5 Solving Equations Containing Radicals
• 15.6 Radical Equations and Problem Solving
16. Quadratic Equations and Nonlinear Graphs
• 16.1 Solving Quadratic Equations by the Square Root Property
• 16.2 Solving Quadratic Equations by Completing the Square
• Integrated Review - Summary on Solving Quadratic Equations
• 16.4 Graphing Quadratic Equations in Two Variables
• 16.5 Interval Notation, Finding Domains and Ranges from Graphs, and Graphing Piecewise-Defined Functions

### Appendices:

• A. Further Algebra Topics
• B. Tables

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