Preface 

xiii  
To the Student 

xxv  

Operations on Whole Numbers 


1  (126) 


2  (1) 

The Decimal PlaceValue System 


3  (8) 


11  (18) 

Using a Scientific Calculator to Add 


25  (4) 


29  (14) 

Using a Scientific Calculator to Subtract 


41  (2) 

Rounding, Estimation, and Order 


43  (10) 


53  (18) 


71  (20) 

Using a Scientific Calculator to Divide 


87  (4) 

Exponential Notation and the Order of Operations 


91  (12) 

Using a Scientific Calculator to Evaluate an Expression 


99  (4) 

Solving Geometric Applications 


103  (24) 


117  (4) 


121  (4) 


125  (2) 

Multiplying and Dividing Fractions 


127  (96) 


128  (1) 

Prime Numbers and Divisibility 


129  (8) 


137  (10) 


147  (12) 


159  (10) 

Using Your Calculator to Simplify Fraction 


167  (2) 


169  (10) 

Using Your Calculator to Multiply Fractions 


177  (2) 

Applications of Multiplication of Fractions 


179  (8) 


187  (14) 

Using Your Calculator to Divide Fractions 


199  (2) 

*ComputerRelated Applications: Time 


201  (22) 


209  (4) 


213  (4) 


217  (2) 


219  (4) 

Adding and Subtracting Fractions 


223  (66) 


224  (1) 

Adding and Subtracting Fractions with Like Denominators 


225  (8) 


233  (10) 

Adding and Subtracting Fractions with Unlike Denominators 


243  (18) 

Using Your Calculator to Add and Subtract Fractions 


257  (4) 

Adding and Subtracting Mixed Numbers 


261  (12) 

Using Your Calculator to Add and Subtract Mixed Numbers 


271  (2) 


273  (16) 


279  (2) 


281  (4) 


285  (2) 


287  (2) 


289  (122) 


290  (1) 


291  (12) 

Adding and Subtracting Decimals 


303  (22) 

Using Your Calculator to Add or Subtract Decimals 


321  (4) 


325  (16) 

Using Your Calculator to Multiply Decimals 


335  (6) 


341  (14) 


355  (16) 

Using Your Calculator to Divide Decimals 


369  (2) 

Converting from Fractions to Decimals 


371  (8) 

Converting from Decimals to Fractions 


379  (8) 

Using Your Calculator to Convert Between Decimals and Fractions 


383  (4) 

Square Roots and the Pythagorean Theorem 


387  (24) 

Using Your Calculator to Find Square Roots 


397  (4) 


401  (2) 


403  (4) 


407  (2) 


409  (2) 


411  (58) 


412  (1) 


413  (8) 


421  (8) 


429  (8) 


437  (6) 

Solving Applications of Proportions 


443  (26) 

Using Your Calculator to Solve Proportions 


453  (6) 


459  (2) 


461  (4) 


465  (2) 


467  (2) 


469  (66) 


470  (1) 

Changing a Percent to a Fraction or a Decimal 


471  (10) 

Changing a Decimal or Fraction to a Percent 


481  (8) 

Identifying Rate, Base, and Amount 


489  (6) 

Three Types of Percent Problems 


495  (8) 

Solving Percent Applications 


503  (32) 

Using Your Calculator to Solve Percent Problems 


519  (6) 


525  (2) 


527  (4) 


531  (2) 


533  (2) 


535  (78) 


536  (3) 

The Units of the English System 


539  (12) 


551  (10) 

Metric Units of Weight and Volume 


561  (14) 

Using Your Calculator to Convert Between the English and Metric Systems 


569  (6) 


575  (10) 


585  (28) 


599  (4) 


603  (4) 


607  (4) 


611  (2) 

Data Analysis and Statistics 


613  (54) 


614  (1) 

Means, Medians, and Modes 


615  (12) 

Using Your Calculator to Find an Average 


623  (4) 

Tables, Pictographs, and Bar Graphs 


627  (12) 

Line Graphs and Predictions 


639  (8) 

Creating Bar Graphs and Pie Charts 


647  (20) 


655  (2) 


657  (4) 


661  (4) 


665  (2) 


667  (52) 


668  (1) 


669  (8) 


677  (10) 

Subtracting Signed Numbers 


687  (6) 

Using Your Calculator to Add and Subtract Signed Numbers 


691  (2) 

Multiplying Signed Numbers 


693  (10) 


703  (16) 

Using Your Calculator to Multiply and Divide Signed Numbers 


709  (2) 


711  (2) 


713  (2) 


715  (2) 


717  (2) 

An Introduction to Algebra 


719  (60) 


720  (1) 

From Arithmetic to Algebra 


721  (6) 

Evaluating Algebraic Expressions 


727  (8) 

Adding and Subtracting Algebraic Expressions 


735  (8) 

Using the Addition Rule to Solve an Equation 


743  (12) 

Using the Multiplication Rule to Solve an Equation 


755  (6) 

Combining the Rules to Solve Equations 


761  (18) 


769  (2) 


771  (4) 


775  (2) 


777  (2) 
Answers to Pretests, Selftests, and Cumulative Tests 

779  (4) 
Index 

783  