Tools to Help Students Succeed 

ix  
Additional Resources to Help You Succeed 

xi  
Preface 

xiii  
Applications Index 

xxiii  


1  (110) 

Tips for Success in Mathematics 


2  (5) 

Place Value and Names for Numbers 


7  (9) 

Adding Whole Numbers and Perimeter 


16  (12) 

Subtracting Whole Numbers 


28  (11) 


39  (8) 

Multiplying Whole Numbers and Area 


47  (13) 


60  (16) 

Integrated ReviewOperations on Whole Numbers 


74  (2) 

An Introduction to Problem Solving 


76  (11) 

Exponents, Square Roots, and Order of Operations 


87  (24) 

Group Activity: Modeling Subtraction of Whole Numbers 


97  (1) 


98  (1) 


98  (4) 


102  (7) 


109  (2) 

Integers and Introduction to Variables 


111  (66) 

Introduction to Variables and Algebraic Expressions 


112  (8) 


120  (10) 


130  (8) 


138  (10) 

Integrated ReviewIntegers 


146  (2) 

Multiplying and Dividing Integers 


148  (9) 


157  (20) 

Group Activity: Magic Squares 


164  (1) 


165  (1) 


165  (3) 


168  (5) 


173  (2) 


175  (2) 


177  (107) 

Introduction to Fractions and Mixed Numbers 


178  (12) 

Factors and Simplest Form 


190  (13) 

Multiplying and Dividing Fractions 


203  (11) 

Adding and Subtracting Like Fractions and Least Common Denominator 


214  (15) 

Integrated ReviewSummary on Fractions and Operations on Fractions 


227  (2) 

Adding and Subtracting Unlike Fractions 


229  (12) 

Complex Fractions, Order of Operations, and Mixed Numbers 


241  (9) 

Operations on Mixed Numbers 


250  (34) 


267  (1) 


268  (1) 


268  (6) 


274  (6) 


280  (2) 


282  (2) 


284  (79) 


285  (12) 

Adding and Subtracting Decimals 


297  (12) 

Multiplying Decimals and Circumference of a Circle 


309  (9) 


318  (13) 

Integrated ReviewOperations on Decimals 


329  (2) 

Fractions, Decimals, and Order of Operations 


331  (10) 

Square Roots and the Pythagorean Theorem 


341  (22) 

Group Activity: Maintaining a Checking Account 


349  (1) 


350  (1) 


350  (3) 


353  (5) 


358  (2) 


360  (3) 

Ratio, Proportion, and Measurement 


363  (84) 


364  (10) 


374  (9) 

Proportions and Problem Solving 


383  (12) 

Integrated ReviewRatio and Proportion 


393  (2) 

Length: U.S. and Metric Systems 


395  (11) 

Weight and Mass: U.S. and Metric Systems 


406  (11) 

Capacity: U.S. and Metric Systems 


417  (9) 

Conversions Between the U.S. and Metric Systems 


426  (21) 

Group Activity: Consumer Price Index 


433  (1) 


434  (1) 


434  (4) 


438  (5) 


443  (2) 


445  (2) 


447  (66) 

Percents, Decimals, and Fractions 


448  (11) 

Solving Percent Problems Using Equations 


459  (8) 

Solving Percent Problems Using Proportions 


467  (10) 

Integrated ReviewPercent and Percent Problems 


475  (2) 


477  (10) 

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


487  (8) 

Percent and Problem Solving: Interest 


495  (18) 

Group Activity: How Much Can You Afford for a House? 


501  (1) 


502  (1) 


502  (3) 


505  (4) 


509  (2) 


511  (2) 

Statistics and Probability 


513  (49) 

Reading Pictographs, Bar Graphs, Histograms, and Line Graphs 


514  (12) 


526  (9) 

Integrated ReviewReading Graphs 


533  (2) 


535  (6) 

Counting and Introduction to Probability 


541  (21) 


547  (1) 


548  (1) 


548  (3) 


551  (5) 


556  (4) 


560  (2) 


562  (54) 


563  (9) 

Solving Equations: The Addition Property 


572  (7) 

Solving Equations: The Multiplication Property 


579  (7) 

Integrated ReviewExpressions and Equations 


585  (1) 

Solving Equations Using Addition and Multiplication Properties 


586  (8) 

Equations and Problem Solving 


594  (22) 

Group Activity: Modeling Equation Solving with Addition and Subtraction 


602  (1) 


603  (1) 


603  (3) 


606  (4) 


610  (2) 


612  (4) 


616  (73) 


617  (10) 


627  (9) 


636  (10) 


646  (9) 


655  (10) 

Integrated ReviewGeometry Concepts 


664  (1) 

Congruent and Similar Triangles 


665  (24) 

Group Activity: The Cost of Road Signs 


673  (1) 


674  (1) 


674  (5) 


679  (6) 


685  (2) 


687  (2) 
Appendix A Tables 

689  (10) 
Appendix B The Bigger Picture 

699  (2) 
Appendix C Exponents and Polynomials 

701  (20) 
Appendix D Inductive and Deductive Reasoning 

721  
Answers to Selected Exercises 

1  (20) 
Solutions to Selected Exercises 

21  
Index 

1  (6) 
Photo Credits 

7  