Preface 

xi  
Applications Index 

xx  

Whole Numbers and Introduction to Algebra 


1  (102) 

Place Value and Names for Numbers 


3  (8) 

Adding Whole Numbers and Perimeter 


11  (12) 

Subtracting Whole Numbers 


23  (12) 


35  (10) 

Multiplying Whole Numbers and Area 


45  (14) 


59  (14) 

Integrated ReviewOperations on Whole Numbers 


71  (2) 

Exponents and Order of Operations 


73  (10) 

Introduction to Variables and Algebraic Expressions 


83  (20) 

Activity: Investigating Whole Numbers and Order of Operations 


91  (1) 


92  (3) 


95  (6) 


101  (2) 


103  (60) 


105  (8) 


113  (8) 


121  (12) 

Integrated ReviewIntegers 


131  (2) 

Multiplying and Dividing Integers 


133  (10) 


143  (20) 

Activity: Investigating Integers 


151  (1) 


152  (3) 


155  (4) 


159  (2) 


161  (2) 

Solving Equations and Problem Solving 


163  (60) 

Simplifying Algebraic Expressions 


165  (10) 

Solving Equations: The Addition Property 


175  (8) 

Solving Equations: The Multiplication Property 


183  (10) 

Integrated ReviewExpressions and Equations 


191  (2) 

Solving Linear Equations in One Variable 


193  (8) 

Linear Equations in One Variable and Problem Solving 


201  (22) 

Activity: Using Equations 


211  (1) 


212  (3) 


215  (4) 


219  (2) 


221  (2) 


223  (122) 

Introduction to Fractions and Equivalent Fractions 


225  (14) 

Factors and Simplest Form 


239  (12) 

Multiplying and Dividing Fractions 


251  (12) 

Adding and Subtracting Like Fractions and Least Common Denominator 


263  (12) 

Adding and Subtracting Unlike Fractions 


275  (16) 

Integrated ReviewSummary on Fraction and Factors 


289  (2) 

Complex Fractions and Review of Order of Operations 


291  (8) 

Solving Equations Containing Fractions 


299  (10) 

Operations on Mixed Numbers 


309  (36) 

Activity: Investigating Fractions 


327  (1) 


328  (3) 


331  (8) 


339  (4) 


343  (2) 


345  (100) 


347  (14) 

Adding and Subtracting Decimals 


361  (14) 

Multiplying Decimals and Circumference of a Circle 


375  (12) 


387  (12) 

Integrated ReviewOperations on Decimals 


397  (2) 

Estimating and Order of Operations 


399  (10) 


409  (10) 

Equations Containing Decimals 


419  (4) 

Square Roots and the Pythagorean Theorem 


423  (22) 

Activity: Ordering from a Catalog 


431  (1) 


432  (3) 


435  (6) 


441  (2) 


443  (2) 


445  (58) 


447  (6) 


453  (8) 


461  (12) 

Integrated ReviewRatio, Rate, and Proportion 


471  (2) 

Proportions and Problem Solving 


473  (10) 

Similar Triangles and Problem Solving 


483  (20) 

Activity: Using Aspect Ratios 


491  (1) 


492  (3) 


495  (4) 


499  (2) 


501  (2) 


503  (72) 

Percents, Decimals, and Fractions 


505  (14) 

Solving Percent Problems with Equations 


519  (8) 

Solving Percent Problems with Proportions 


527  (10) 

Integrated ReviewPercent and Percent Problems 


535  (2) 


537  (10) 

Percent and Problem Solving: Sales Tax, Commission, and Discount 


547  (8) 

Percent and Problem Solving: Interest 


555  (20) 

Activity: Investigating Probability 


563  (1) 


564  (3) 


567  (4) 


571  (2) 


573  (2) 

Graphing and Introduction to Statistics 


575  (82) 


577  (8) 

Reading Pictographs, Bar Graphs, and Line Graphs 


585  (14) 

The Rectangular Coordinate System 


599  (12) 

Integrated ReviewReading Graphs and the Rectangular Coordinate System 


609  (2) 

Graphing Linear Equations 


611  (12) 


623  (8) 

Counting and Introduction to Probability 


631  (26) 

Activity: Conducting a Survey 


639  (1) 


640  (3) 


643  (8) 


651  (4) 


655  (2) 


657  (112) 


659  (14) 


673  (16) 


689  (12) 


701  (16) 

Integrated ReviewGeometry Concepts 


715  (2) 


717  (14) 


731  (10) 


741  (28) 


749  (1) 


750  (5) 


755  (8) 


763  (4) 


767  (2) 


769  (44) 

Adding and Subtracting Polynomials 


771  (8) 

Multiplication Properties of Exponents 


779  (8) 

Integrated ReviewOperations on Polynomials 


785  (2) 


787  (8) 

Introduction to Factoring Polynomials 


795  (18) 

Activity: Business Analysis 


801  (1) 


802  (3) 


805  (4) 


809  (2) 


811  (2) 
Addition Table and One Hundred Addition Facts 

813  (2) 
Multiplication Table and One Hundred Multiplication Facts 

815  (2) 
Review of Geometric Figures 

817  (2) 
Percents, Decimals, and Fractions 

819  (1) 
Table of Squares and Square Roots 

820  (1) 
Compound Interest Table 

821  
Answers to Selected Exercises 

A1  
Solutions to Selected Exercises 

A25  
Index 

l1  
Photo Credits 

P1  