This resource provides a complete set of video explanations for every section practice problem, every additional topic practice problem, and every SkillDrill™ in our groundbreaking 1600.io SAT Math Orange Book.

In addition to an exhaustive set of explanatory videos, the resource provides an interactive quiz for every group of section problems and for every set of additional chapter problems. These quizzes let students enter their answers for the book's problems sets and then the entries are automatically scored; the score report provides students with direct links to the relevant videos for every problem, facilitating the cycle of self-education.

Each section in this resource has SkillDrills and section problem sets with an autoscoring quiz; a larger set of problems finishes off each chapter and has a corresponding unit in this resource, so it's easy for students to locate any needed video or quiz as they work their way through the instruction in the book.

Resource Contents

  Section 1.2: Writing Linear Expressions
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  Section 1.3: Writing and Solving Linear Equations
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  Section 1.4: Function Notation / Inputs and Outputs
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  Chapter 1 Additional Problems
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  Section 2.1: Why They’re Called Linear Relationships
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  Section 2.2: Analyzing Graphs of Linear Equations
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  Section 2.3: Using Points and Tables
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  Section 2.4: Interpreting Linear Equations
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  Chapter 2 Additional Problems
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  Section 3.1: Standard Form
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  Section 3.2: Parallel and Perpendicular Lines
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  Chapter 3 Additional Problems
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  Section 4.1: Introduction to Systems of Linear Equations
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  Section 4.2: Using Substitution to Solve Systems of Linear Equations
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  Section 4.3: Number of Solutions to Systems of Linear Equations Part I
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  Section 4.4: Solving Systems of Linear Equations by Elimination / Combination
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  Section 4.5: Number of Solutions to a System of Linear Equations Part II
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  Chapter 4 Additional Problems
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  Section 5.1: Writing and Solving Linear Inequalities
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  Section 5.2: Compound Linear Inequalities
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  Section 5.3: Systems of Linear Inequalities
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  Section 5.4: Absolute Value
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  Chapter 5 Additional Problems
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  Section 6.1: What are Exponents?
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  Section 6.2: Exponent Rules
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  Chapter 6 Additional Problems
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  Section 7.2: Multiplying Polynomials
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  Chapter 7 Additional Problems
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  Section 8.1: What is Factoring?
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  Section 8.2: How to Factor
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  Section 8.3: Other Methods of Finding Roots
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  Section 8.4: Simplified Factoring Situations
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  Section 8.5: Systems of Quadratic Equations and Linear Equations
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  Section 8.6: Extra Tools for Factoring and Quadratics Problems
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  Chapter 8 Additional Problems
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  Section 9.1: Phantom Equations and Extraneous Solutions
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  Section 9.2: Rational Functions
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  Section 9.3: Undefined Values and Extraneous Solutions for Rational Functions
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  Section 9.4: Polynomial Long Division, Polynomial Remainder Theorem, and Matching Coefficients
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  Section 9.5: Solving in Terms of One Variable
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  Chapter 9 Additional Problems
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  Section 10.1: Standard Form: General Shape of Graphs
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  Section 10.2: Factored Form: Zeros of the Quadratic
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  Section 10.3: Vertex Form: Maximums and Minimums
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  Section 10.4: Vertex Form From Factored Form
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  Section 10.5: Finding the Vertex from Standard Form
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  Section 10.6: Number of Intersections = Number of Solutions
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  Chapter 10 Additional Problems
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  Section 11.1: Number of Zeros of Quadratics
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  Section 11.2: Imaginary and Complex Numbers
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  Chapter 11 Additional Problems
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  Section 12.1: Ratios and Probability
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  Section 12.2: Proportions
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  Section 12.3: Ratio Word Problems
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  Chapter 12 Additional Problems
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  Section 13.1: Introduction to Percentages
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  Section 13.2: Percent Increase/Percent Decrease
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  Section 13.3: Mixtures and Concentrations
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  Chapter 13 Additional Problems
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  Section 14.1: Basic Exponential Equations
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  Section 14.2: Solving Exponential Equations
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  Section 14.3: Graphs of Exponential Equations
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  Chapter 14 Additional Problems
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  Section 15.1: Scatterplots and Lines of Best Fit
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  Section 15.2: Line Graphs Without Modeling Equations
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  Chapter 15 Additional Problems
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  Section 16.1: Evaluating Functions (“Plugging In”)
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  Section 16.2: Plugging Expressions into Functions
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  Chapter 16 Additional Problems
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  Section 17.1: Data Sets: Mean, Median, Mode, and Range
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  Section 17.2: Frequency Tables, Histograms, and Standard Deviation
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  Section 17.3: Box Plots
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  Section 17.4: Survey Design and Interpreting Results
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  Chapter 17 Additional Problems
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  Section 18.1: Simple Conversions with Proportions
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  Section 18.2: Factor-Label Method
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  Section 18.3: The Distance/Speed/Time Equation
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  Chapter 18 Additional Problems
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  Section 19.1: Angle Basics
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  Section 19.2: Finding Angle Measures
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  Section 19.3: Triangles and Polygons
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  Section 19.4: Similar Triangles
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  Section 19.5: Trigonometric Ratios
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  Section 19.6: Perimeter, Area, Pythagorean Theorem, and Special Right Triangles
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  Chapter 19 Additional Problems