CHAPTER 1. NUMBER SENSE
CLUSTER 1: INTRODUCTION TO PROBLEM SOLVING
Activity 1.1 The Bookstore: Steps in Problem Solving
Activity 1.2 The Classroom: Problem-Solving Strategies
Activity 1.3 Properties of Arithmetic: Properties and Vocabulary for Arithmetic Calculations
What Have I Learned?
How Can I Practice?
CLUSTER 2: PROBLEM SOLVING WITH FRACTIONS AND DECIMALS (RATIONAL NUMBERS)
Activity 1.4 Top Chef: Operations with Fractions and Mixed Numbers
Project Activity 1.5 Course Grades and Your GPA: Problem Solving Using Fractions and Decimals
What Have I Learned?
How Can I Practice?
CLUSTER 3: COMPARISONS AND PROPORTIONAL REASONING
Activity 1.6 Everything Is Relative: Ratios as Fractions, Decimals, and Percents
Activity 1.7 Antidepressant Use: Proportional Reasoning
Activity 1.8 Who Really Did Better? Actual and Relative Change, Percent Increase and Decrease
Activity 1.9 Going Shopping: Growth and Decay Factors
Activity 1.10 Take an Additional 20% Off: Consecutive Growth and Decay Factors
Activity 1.11 Fuel Economy: Rates and Unit Analysis
What Have I Learned?
How Can I Practice?
CLUSTER 4: PROBLEM SOLVING WITH SIGNED NUMBERS
Activity 1.12 Celsius Thermometers: Addition and Subtraction of Integers
Activity 1.13 Shedding the Extra Pounds: Multiplication and Division of Integers
Activity 1.14 Order of Operations Revisited: Negative Exponents and Scientific Notation
What Have I Learned?
How Can I Practice?
Chapter 1 Summary
Chapter 1 Gateway Review
CHAPTER 2. VARIABLE SENSE
CLUSTER 1: SYMBOLIC RULES AND EXPRESSIONS
Activity 2.1 Symbolizing Arithmetic: Formulas and Algebraic Expressions
Activity 2.2 Blood Alcohol Levels: Represent a Two-Variable Relationship Algebraically, Numerically, and Graphically
Activity 2.3 College Expenses: Symbolic Rules
Activity 2.4 Are They the Same? Equivalent Expressions and Grouping Symbols
What Have I Learned?
How Can I Practice?
CLUSTER 2: SOLVING EQUATIONS
Activity 2.5 Let’s Go Shopping: Solve an Equation Containing One Operation
Activity 2.6 Leasing a Copier: Solve an Equation Containing Two or More Operations
Activity 2.7 The Algebra of Weather: Solve a Formula for a Specified Variable
Activity 2.8 Four out of Five Dentists Prefer Crest: Proportions
What Have I Learned?
How Can I Practice?
CLUSTER 3: MORE PROBLEM SOLVING USING ALGEBRA
Activity 2.9 Do It Two Ways: Distributive Property, Greatest Common Factor, and Combining Like Terms
Activity 2.10 Decoding: Simplifying Algebraic Expressions
Activity 2.11 Comparing Energy Costs: Mathematical Models, General Strategy for Solving Linear Equations
Project Activity 2.12 Summer Job Opportunities: Problem Solving Using Linear Equations
What Have I Learned?
How Can I Practice?
Chapter 2 Summary
Chapter 2 Gateway Review
CHAPTER 3. FUNCTION SENSE AND LINEAR FUNCTIONS
CLUSTER 1: FUNCTION SENSE
Activity 3.1 Summer Olympics: Functions, Numerical and Graphical Representation of Functions
Activity 3.2 How Fast Did You Lose? Average Rate of Change
Project Activity 3.3 Comparing Symbolically Defined Functions and Their Graphs
Activity 3.4 Course Grade: Representing Functions Symbolically
What Have I Learned?
How Can I Practice?
CLUSTER 2: INTRODUCTION TO LINEAR FUNCTIONS
Activity 3.5 The Snowy Tree Cricket: Slope and Intercepts of a Line
Activity 3.6 Software Sales: Slope-Intercept Equation of a Line
Activity 3.7 Predicting Population: Problem Solving Using Slope-Intercept Equation of a Line
Activity 3.8 College Tuition: Point-Slope Equation of a Line
What Have I Learned?
How Can I Practice?
CLUSTER 3: LINEAR REGRESSION, SYSTEM, AND INEQUALITIES
Activity 3.9 Education Pays: Line of Best Fit and Regression Lines
Lab Activity 3.10 Body Parts: Problem Solving Using Regression Equations
Activity 3.11 Smartphone Plan Options: Systems of Linear Equations in Two Variables
Activity 3.12 Healthy Lifestyle: Solving a System of Linear Equations in Two Variables Using the Addition Method
Project Activity 3.13 Modeling a Business: Problem Solving Using Systems of Linear Equations in Two Variables
Activity 3.14 How Long Can You Live? Linear Inequalities
What Have I Learned?
How Can I Practice?
Chapter 3 Summary
Chapter 3 Gateway Review
CHAPTER 4. AN INTRODUCTION TO NONLINEAR PROBLEM SOLVING
CLUSTER 1: MATHEMATICAL MODELING INVOLVING POLYNOMIALS
Activity 4.1 Fatal Crashes: Polynomials
Activity 4.2 Volume of a Storage Box: Properties of Exponents
Activity 4.3 Room for Work: Operations with Polynomials
What Have I Learned?
How Can I Practice?
CLUSTER 2: PROBLEM SOLVING WITH QUADRATIC EQUATIONS AND FUNCTIONS
Activity 4.4 The Amazing Property of Gravity: Solving Quadratic Equations
Activity 4.5 What Goes Up, Comes Down: Quadratic Functions and Their Graphs
Activity 4.6 How High Did It Go? Solving Quadratic Equations by Factoring
Activity 4.7 More Ups and Downs: Solving Quadratic Equations Using the Quadratic Formula
What Have I Learned?
How Can I Practice?
CLUSTER 3: OTHER NONLINEAR FUNCTIONS
Activity 4.8 Inflation: Exponential Functions
Activity 4.9 A Thunderstorm: Direct Variation
Activity 4.10 Diving under Pressure, or Don’t Hold Your Breath: Inverse Variation
Activity 4.11 Hang Time: Square Root Functions
What Have I Learned?
How Can I Practice?
Chapter 4 Summary
Chapter 4 Gateway Review
APPENDICES
A. Fractions
B. Decimals
C. Skills Checks
D. Algebraic Extensions
E. Getting Started with the TI-84 Plus Family of Calculators