

1  (74) 

TLE Lesson 1: Whole Numbers 



TLE Lesson 2: Prime Factors and Exponents 



TLE Lesson 3: Order of Operations 



An Introduction to the Whole Numbers 


4  (9) 


13  (9) 

Subtracting Whole Numbers 


22  (6) 

Multiplying Whole Numbers 


28  (11) 


39  (10) 


47  (2) 

Prime Factors and Exponents 


49  (8) 


57  (18) 

Key Concept: Order of Operations 


66  (1) 


67  (1) 


68  (5) 


73  (2) 


75  (62) 

TLE Lesson 4: An Introduction to Integers 



TLE Lesson 5: Adding Integers 



TLE Lesson 6: Subtracting Integers 



An Introduction to the Integers 


78  (11) 


89  (9) 


98  (7) 


105  (9) 


114  (5) 

Order of Operations and Estimation 


119  (18) 

Key Concept: Signed Numbers 


126  (1) 


127  (1) 


128  (5) 


133  (2) 

Cumulative Review Exercises 


135  (2) 

Fractions and Mixed Numbers 


137  (76) 

TLE Lesson 7: Adding and Subtracting Fractions 



TLE Lesson 8: Multiplying Fractions and Mixed Numbers 




140  (8) 


148  (8) 


156  (7) 

Adding and Subtracting Fractions 


163  (12) 


173  (2) 

Multiplying and Dividing Mixed Numbers 


175  (8) 

Adding and Subtracting Mixed Numbers 


183  (9) 

Order of Operations and Complex Fractions 


192  (21) 

Key Concept: The Fundamental Property of Fractions 


201  (1) 


202  (1) 


203  (6) 


209  (2) 

Cumulative Review Exercises 


211  (2) 


213  (64) 

TLE Lesson 9: Decimal Conversions 



TLE Lesson 10: Ordering Numbers 



An Introduction to Decimals 


216  (9) 

Adding and Subtracting Decimals 


225  (7) 


232  (9) 


241  (10) 


249  (2) 


251  (9) 


260  (17) 

Key Concept: The Real Numbers 


266  (1) 


267  (1) 


268  (5) 


273  (2) 

Cumulative Review Exercises 


275  (2) 


277  (50) 



Percents, Decimals, and Fractions 


280  (9) 


289  (9) 


298  (12) 


307  (3) 


310  (17) 


317  (1) 


318  (1) 


319  (4) 


323  (2) 

Cumulative Review Exercises 


325  (2) 

Ratio, Proportion, and Measurement 


327  (60) 

TLE Lesson 12: Measurement 




330  (8) 


338  (10) 

American Units of Measurement 


348  (9) 

Metric Units of Measurement 


357  (11) 

Converting between American and Metric Units 


368  (19) 


376  (1) 


377  (1) 


378  (5) 


383  (2) 

Cumulative Review Exercises 


385  (2) 


387  (32) 

TLE Lesson 13: Statistics 



Reading Graphs and Tables 


390  (11) 


401  (18) 

Key Concept: Mean, Median, and Mode 


409  (1) 


410  (1) 


411  (4) 


415  (2) 

Cumulative Review Exercises 


417  (2) 

An Introduction to Algebra 


419  (72) 

TLE Lesson 14: Writing and Evaluating Expressions 



TLE Lesson 15: Solving Equations 



Solving Equations by Addition and Subtraction 


422  (9) 

Solving Equations by Division and Multiplication 


431  (9) 

Algebraic Expressions and Formulas 


440  (11) 

Simplifying Algebraic Expressions and the Distributive Property 


451  (6) 


457  (9) 

Simplifying Expressions to Solve Equations 


466  (6) 


472  (19) 


479  (1) 


480  (1) 


481  (6) 


487  (2) 

Cumulative Review Exercises 


489  (2) 

An Introduction to Geometry 


491  

TLE Lesson 16: Perimeter and Area 




494  (9) 

Parallel and Perpendicular Lines 


503  (7) 


510  (7) 


517  (9) 

Perimeters and Areas of Polygons 


526  (12) 


538  (8) 


546  


557  (1) 


558  (1) 


559  (10) 


569  (2) 

Cumulative Review Exercises 


571  


1  (14) 

Introduction to Polynomials 


1  (3) 

Adding and Subtracting Polynomials 


4  (6) 


10  (5) 

Appendix II Inductive and Deductive Reasoning 


15  (7) 

Appendix III Roots and Powers 


22  (1) 

Appendix IV Answers to Selected Exercises (Appears in the Student Edition only) 


23  
Index 

1  