

1  (58) 

1.1 Whole Numbers, Place Value, and Rounding 


2  (9) 

1.2 Adding and Subtracting Whole Numbers 


11  (11) 

1.3 Multiplying and Dividing Whole Numbers 


22  (15) 


35  (2) 

1.4 Prime Factors and Exponents 


37  (8) 


45  (7) 

Key Concept: Order of Operations 


52  (1) 


53  (4) 


57  (2) 


59  (58) 

2.1 An Introduction to the Integers 


60  (11) 


71  (8) 

2.3 Subtraction of Integers 


79  (8) 

2.4 Multiplication of Integers 


87  (9) 


96  (5) 

2.6 Order of Operations and Estimation 


101  (16) 

Key Concept: Signed Numbers 


108  (1) 


109  (4) 


113  (2) 

Cumulative Review Exercises 


115  (2) 

3 Fractions and Mixed Numbers 


117  (68) 

3.1 The Fundamental Property of Fractions 


118  (8) 

3.2 Multiplying Fractions 


126  (9) 


135  (6) 

3.4 Adding and Subtracting Fractions 


141  (10) 

3.5 Multiplying and Dividing Mixed Numbers 


151  (8) 

3.6 Adding and Subtracting Mixed Numbers 


159  (8) 

3.7 Order of Operations and Complex Fractions 


167  (9) 

Key Concept: The Fundamental Property of Fractions 


176  (1) 


177  (6) 


183  (2) 


185  (58) 

4.1 An Introduction to Decimals 


186  (8) 

4.2 Addition and Subtraction with Decimals 


194  (8) 

4.3 Multiplication with Decimals 


202  (7) 

4.4 Division with Decimals 


209  (9) 


214  (4) 

4.5 Fractions and Decimals 


218  (8) 


226  (7) 

Key Concept: The Real Numbers 


233  (1) 


234  (5) 


239  (2) 

Cumulative Review Exercises 


241  (2) 


243  (44) 

5.1 Percents, Decimals, and Fractions 


244  (8) 

5.2 Solving Percent Problems 


252  (9) 

5.3 Applications of Percent 


261  (10) 


269  (2) 


271  (8) 


279  (1) 


280  (5) 


285  (2) 

6 Ratio, Proportion, and Measurement 


287  (48) 


288  (6) 


294  (7) 

6.3 American Units of Measurement 


301  (9) 

6.4 Metric Units of Measurement 


310  (8) 

6.5 Converting between American and Metric Units 


318  (7) 


325  (1) 


326  (5) 


331  (2) 

Cumulative Review Exercises 


333  (2) 


335  (24) 

7.1 Reading Graphs and Tables 


336  (12) 

7.2 Mean, Median, and Mode 


348  (5) 

Key Concept: Mean, Median, and Mode 


353  (1) 


354  (3) 


357  (2) 

8 An Introduction to Algebra 


359  (64) 

8.1 Solving Equations by Addition and Subtraction 


360  (8) 

8.2 Solving Equations by Division and Multiplication 


368  (7) 

8.3 Algebraic Expressions and Formulas 


375  (11) 

8.4 Simplifying Algebraic Expressions and the Distributive Property 


386  (6) 


392  (8) 

8.6 Simplifying Expressions to Solve Equations 


400  (5) 


405  (8) 


413  (1) 


414  (5) 


419  (2) 

Cumulative Review Exercises 


421  (2) 

9 Introduction to Geometry 


423  

9.1 Some Basic Definitions 


424  (9) 

9.2 Parallel and Perpendicular Lines 


433  (6) 


439  (6) 

9.4 Properties of Triangles 


445  (9) 

9.5 Perimeters and Areas of Polygons 


454  (11) 


465  (7) 

9.7 Surface Area and Volume 


472  (10) 


482  (1) 


483  (8) 


491  (2) 

Cumulative Review Exercises 


493  
APPENDIX I Powers and Roots 

A1  
APPENDIX II Answers to Selected Exercises 

A2  
Index 

I1  