Help Me With Math Problems!
A collection of resources matched up to your math textbook and aligned to the Common Core standards.
  • Geometry
    • Geometry Topics Alphabetically
      • Applying Inequalities in Two Triangles
      • Connecting Reasoning in Algebra and Geometry
      • Constructing Parallel and Perpendicular Lines
      • Determining Whether Two Lines are Parallel
      • Finding Area: Rectangles, Triangles, Circles, and Composite Figures
      • Finding Measures fo Angles of a Triangle
      • Finding the Distance Between Two Points in the Coordinate Plane
      • Finding the Midpoint of a Segment (Midpoint Formula)
      • Finding the Perimeter or Circumference of Basic Shapes
      • Finding the Sum of the Measures of the Exterior Angles of a Polygon
      • Finding the Sum of the Measures of the Interior Angles of a Polygon
      • Finding, Comparing, and Adding Lengths of Segments
      • Finding, Comparing, and Adding the Measures of Angles
      • Graphing and Write Linear Equations
      • Identifying Angles Formed by Two Lines and a Transversal
      • Identifying Properties of Medians and Altitudes of a Triangle
      • Identifying Relationships Between Lines and Planes in Space
      • Identifying Special Angle Pairs and Using Their Relationships
      • Making Constructions Using a Straightedge and Compass
      • Making nets and drawings of three-dimensional figures
      • Proving Angles Congruent and Applying Theorems About Angles
      • Proving Right Triangles Congruent Using the Hypotenuse-Leg Theorem
      • Proving Theorems About Parallel Lines
      • Proving Two Triangles Congruent Using the ASA Postulate and the AAS Theorem
      • Proving Two Triangles Congruent Using the SSS and SAS Postulates
      • Recognizing Conditional Statements and Their Parts
      • Recognizing Congruent Figures and Their Corresponding Parts
      • Relating Slope to Parallel and Perpendicular Lines
      • To Relate Parallel and Perpendicular Lines
      • Understanding the Basic Terms of Geometry
      • Using and Applying Properties of Isosceles Triangles
      • Using Indirect Reasoning to Write Proofs
      • Using Inductive Reasoning to Make Conjectures
      • Using Inequalities Involving Angles and Sides of Triangles
      • Using Properties of Midsegments to Solve Problems
      • Using Properties of Parallel Lines to Find Angle Measures
      • Using Properties of Perpendicular Bisectors and Angle Bisectors
      • Using the Law of Detachment and the Law of Syllogism
      • Using Triangle Congruence and CPCTC
      • Writing Biconditionals
      • Writing Converses, Inverses, and Contrapositives of Conditionals
  • Algebra 1
    • Topics Aligned to Your Textbook
      • Glencoe McGraw-Hill Algebra 1 2008
      • McDougal Littell Algebra 1 2004
      • McDougal Littell Algebra 1 2007
      • Pearson Algebra 1 Common Core 2012
      • Prentice Hall Algebra 1 2007/2009
    • Topics Alphabetically
      • Adding and Substracting Matrices
        • More Videos Adding and Subtracting Matrices
      • Adding and Subtracting Polynomials
        • More Videos Adding and Subtracting Polynomials
      • Adding and Subtracting Rational Expressions
        • More Videos Adding and Subtracting Rational Expressions
      • Analyzing Special Systems
        • More Videos Analyzing Special Systems
      • Artwork
      • Choosing a Linear, Quadratic, or Exponential Model for Data
        • More Videos Choosing a Linear, Quadratic, or Exponential Model for Data
      • Choosing the Best Method for Solving a System of Linear Equations
        • More Videos Choosing the Best Method for Solving Systems of Equations
      • Classifying Data and Analyzing Samples and Surveys
        • More Videos Classifying Data and Analyzing Samples and Surveys
      • Classifying Polynomials
        • More Videos Classifying Polynomials
      • Comparing and Ordering Real Numbers
        • More Videos Comparing and Ordering Real Numbers
      • Comparing Direct and Inverse Variation
        • More Videos Comparing Direct and Inverse Variation
      • Converting Units
        • More Videos Converting Units
      • Determining Whether a Relation is a Function
        • More Videos Determining Whether a Relation is a Function
      • Determining Whether Lines are Parallel, Perpendicular, or Neither
        • More Videos Determining Whether Lines are Parallel, Perpendicular, or Neither
      • Dividing Polynomials
        • More Videos Dividing Polynomials
      • Dividing Powers with the Same Base
        • More Videos Dividing Powers with the Same Base
      • Factoring a Monomial from a Polynomial
        • More Videos Factoring a Monomial from a Polynomial
      • Factoring Higher-Degree Polynomials by Grouping
        • More Videos Factoring Higher-Degree Polynomials by Grouping
      • Factoring Perfect Square Polynomials and Differences of Two Squares
        • More Videos Factoring Perfect Square Polynomials and Differences of Two Squares
      • Factoring Trinomials of the Form ax2+bx+c
        • More Videos Factoring Trinomials of the Form ax2+bx+c
      • Factoring Trinomials of the Form x2+bx+c
        • More Videos Factoring Trinomials of the Form x2+bx+c
      • Find Probabilities of Mutually Exclusive Events
        • More Videos Find Probabilities of Mutually Exclusive Events
      • Finding and Estimating Square Roots
        • More Videos Finding and Estimating Square Roots
      • Finding and Using Trigonometric Ratios
        • More Videos Finding and Using Trigonometric Ratios
      • Finding Domain and Range
        • More Videos Finding Domain and Range
      • Finding Mean, Median, Mode, and Range
        • More Videos Finding Mean, Median, Mode, and Range
      • Finding Missing Lengths in Similar Figures
        • More Videos Finding Missing Lengths in Similar Figures
      • Finding Percent Change
        • More Videos Finding Percent Change
      • Finding Percent Error
        • More Videos Finding Percent Error
      • Finding Permutations and Combinations
        • More Videos Finding Permutations and Combinations
      • Finding Probabilities of Independent and Dependent Events
        • More Videos Finding Probabilities of Independent and Dependent Events
      • Finding Products and Quotients of Real Numbers
        • More Videos Finding Products and Quotients of Real Numbers
      • Finding Ratios and Rates
        • More Videos Finding Ratios and Rates
      • Finding Slope
        • More Videos Finding Slope
      • Finding Slopes from Tables
      • Finding Sums and Differences of Real Numbers
        • More Videos Finding Sums and Differences of Real Numbers
      • Finding the Number of Solutions of a Quadratic Equation
        • More Videos Finding the Number of Solutions of a Quadratic Equation
      • Finding the Square of a Binomial and Finding the Product of a Sum and Difference
        • More Videos Finding the Square of a Binomial and Finding the Product of a Sum and Difference
      • Finding Theoretical and Experimental Probabilities
        • More Videos Finding Theoretical and Experimental Probabilities
      • Finding Unions and Intersections of Sets
        • More Videos Finding Unions and Intersections of Sets
      • Graphing a Quadratic Function of the Form ax2 and ax2+c
      • Graphing Absolute Value Function
        • More Videos Graphing Absolute Value Function
      • Graphing Exponential Functions
        • More Videos Graphing Exponential Functions
      • Graphing Linear Equations in Slope-Intercept Form
        • More Videos Graphing Linear Equations in Slope-Intercept Form
      • Graphing Linear Equations Using Intercepts
        • More Videos Graphing Linear Equations Using Intercepts
      • Graphing Linear Inequalities
        • More Videos Graphing Linear Inequalities
      • Graphing Quadratic Functions of the Form ax2+bx+c
        • More Videos Graphing Quadratic Functions of the Form ax2+bx+c
      • Graphing Rational Functions
        • More Videos Graphing Rational Functions
      • Graphing Square Root Functions
        • More Videos Graphing Square Root Functions
      • Identifying and Representing Patterns that Describe Linear Functions
      • Identifying and Using the Properties of Real Numbers
        • More Videos Identifying and Using the Properties of Real Numbers
      • Identifying Equations that have No Solution
        • More Videos Identifying Equations that have No Solution
      • Identifying Extraneous Solutions
      • Identifying Right Triangles
        • More Videos Identifying Right Triangles
      • Making and Interpreting Box-and-Whisker Plots
        • More Videos Making and Interpreting Box-and-Whisker Plots
      • Making and Interpreting Fequency Tables and Histograms
        • More Videos Making and Interpreting Fequency Tables and Histograms
      • Modeling Exponential Growth and Decay
        • More Videos Modeling Exponential Growth and Decay
      • Modeling Real-World Situations Using Systems of Linear Inequalities
        • More Videos Modeling Real-World Situations Using Systems of Linear Inequalities
      • Multiplying a Matrix by a Scalar
        • More Videos Multiplying a Matrix by a Scalar
      • Multiplying a Monomial by a Polynomial
        • More Videos Multiplying a Monomial by a Polynomial
      • Multiplying and Dividing Rational Expressions
        • More Videos Multiplying and Dividing Rational Expressions
      • Multiplying Powers With the Same Base
        • More Videos Multiplying Powers With the Same Base
      • Multiplying Two Binomials or a Binomial by a Trinomial
        • More Videos Multiplying Two Binomials or a Binomial by a Trinomial
      • Raising a Power to a Power
        • More Videos Raising a Power to a Power
      • Raising a Product to a Power
        • More Videos Raising a Product to a Power
      • Raising a Quotient to a Power
        • More Videos Raising a Quotient to a Power
      • Representing Relationships Using Graphs
      • Rewriting Expression Involving Radical and Rational Exponents
        • More Videos Rewriting Expression Involving Radical and Rational Exponents
      • Rewriting Formulas and Equations
        • More Videos Rewriting Formulas and Equations
      • Simplifying Algebraic Expressions
        • More Videos Simplifying Algebraic Expressions
      • Simplifying Expressions Involving Zero and Negative Exponents
        • More Videos Simplifying Expressions Involving Zero and Negative Exponents
      • Simplifying Expressions with the Order of Operations
        • More Videos Order of Operations
      • Simplifying Products and Quotients of Radical Expresssions
      • Simplifying Radicals Involving Products and Quotients
        • More Videos Simplifying Radicals Involving Products and Quotients
      • Simplifying Radicals Involving Sums and Differences
        • More Videos Simplifying Radicals Involving Sums and Differences
      • Simplifying Rational Expressions
        • More Videos Simplifying Rational Expressions
      • Solving and Applying Proportions
        • More Videos Solving and Applying Proportions
      • Solving and Graphing “And” Compound Inequalities
        • More Videos Solving and Graphing “And” Compound Inequalities
      • Solving and Graphing “Or” Compound Inequalities
        • Solving and Graphing “Or” Compound Inequalities
      • Solving Equations Containing Radicals
        • More Videos Solving Equations Containing Radicals
      • Solving Equations Involving Absolute Value
        • More Videos Solving Equations Involving Absolute Value
      • Solving Equations with Variables on Both Sides of the Equation
        • More Videos Solving Equations with Variables on Both Sides of the Equation
      • Solving Inequalities Involving Absolute Value
        • More Videos Solving Inequalities Involving Absolute Value
      • Solving Multi-Step Equations
        • More Videos Solving Multi-Step Equations
      • Solving Multi-Step Inequalities
        • More Videos Solving Multi-Step Inequalities
      • Solving One Step Equations with One Variable
        • More Videos Solving One Step Equations with One Variable
      • Solving Percent Problems Using Percent Equation
        • More Videos Solving Percent Problems Using Percent Equation
      • Solving Percent Problems Using Poportions
        • More Videos Solving Percent Problems Using Poportions
      • Solving Problems with the Pythagorean Theorem
        • More Videos Solving Problems with the Pythagorean Theorem
      • Solving Quadratic Equations by Completing the Square
        • More Videos Solving Quadratic Equations by Completing the Square
      • Solving Quadratic Equations by Factoring
        • More Videos Solving Quadratic Equations by Factoring
      • Solving Quadratic Equations by Graphing
        • More Videos Solving Quadratic Equations by Graphing
      • Solving Quadratic Equations Using Square Roots
        • More Video Solving Quadratic Equations Using Square Roots
      • Solving Quadratic Equations using the Quadratic Formula
        • More Videos Solving Quadratic Equations using the Quadratic Formula
      • Solving Rational Equations and Proportions
        • More Videos Solving Rational Equations and Proportions
      • Solving Systems by Eliminating a Variable
        • More Videos Solving Systems by Eliminating a Variable
      • Solving Systems fo Linear Inequalities by Graphing
        • More Videos Solving Systems fo Linear Inequalities by Graphing
      • Solving Systems of Equations by Graphing
        • More Videos Solving Systems of Equations by Graphing
      • Solving Systems of Equations Using Substitution
        • More Videos Solving Systems of Equations Using Substitution
      • Solving Systems of Linear and Quadratic Equations
      • Solving Two Step Equations
        • More Videos Solving Two Step Equations
      • Terms of Service
      • Translating a Graph of an Absolute Value
        • More Videos Translating a Graph of an Absolute Value
      • Translating Graphs of Square Root Functions
        • More Videos Translating Graphs of Square Root Functions
      • Using a Trend Line and a Line of Best Fit
        • More Videos Using a Trend Line and a Line of Best Fit
      • Using Addition and Subtraction to Solve Inequalities
        • More Videos Using Addition and Subtraction to Solve Inequalities
      • Using Linear Inequalities When Modeling Real-World Situations
      • Using Multiplication and Division to Solve Inequalities
        • More Videos Using Multiplication and Division to Solve Inequalities
      • Using Point-Slope Form
        • More Videos Using Point-Slope Form
      • Using Similar Figures When Measuring Indirectly
        • More Videos Using Similar Figures When Measuring Indirectly
      • Using the Distributive Property
        • More Videos Using the Distributive Property
      • Writing Algebraic Expressions
        • More Videos
        • More Videos Writing Algebraic Expressions
      • Writing an Equation of a Trend Line and Line of Best Fit
        • More Videos Writing an Equation of a Trend Line and Line of Best Fit
      • Writing and Graphing an Equation of Direct Variation
        • More Videos Writing and Graphing an Equation of Direct Variation
      • Writing and Using Recursive Formulas for Geometric Sequences
        • More Videos Writing and Using Recursive Formulas for Geometric Sequences
      • Writing Equations for Inverse Variations
        • More Videos Writing Equations for Inverse Variations
      • Writing Equations of Parallel and Perpendicular Lines
        • More Videos Writing Equations of Parallel and Perpendicular Lines
      • Writing Linear Equations in Slope-Intercept Form
        • More Videos Writing Linear Equations Using Slope-Intercept Form
      • Writing Linear Equations in Standard Form
        • More Videos Writing Linear Equations in Standard Form
      • Writing Sets and Identifying Subsets
        • More Videos Writing Sets and Identifying Subsets
      • Writing, Graphing, and Identifying Solutions of Inequalities with One Variable
        • More Videos Writing, Graphing, and Identifying Solutions of Inequalities with One Variable
    • Topics Common Core Aligned
  • SAT Prep
    • Khan Academy SAT Prep
      • Test 10 Section 2
      • Test 10 Section 5
      • Test 10 Section 8
      • Test 3 Section 3
      • Test 3 Section 3 Continued
      • Test 3 Section 6
      • Test 3 Section 6 Continued
      • Test 3 Section 9
      • Test 4 Section 3
      • Test 4 Section 3 Continued
      • Test 4 Section 6
      • Test 4 Section 6 Continued
      • Test 4 Section 9
      • Test 5 Section 2
      • Test 5 Section 4
      • Test 5 Section 8
      • Test 6 Section 2
      • Test 6 Section 4
      • Test 6 Section 8
      • Test 7 Section 3
      • Test 7 Section 7
      • Test 7 Section 9
      • Test 8 Section 3
      • Test 8 Section 7
      • Test 8 Section 9
      • Test 9 Section 2
      • Test 9 Section 5
      • Test 9 Section 8
    • The Top 5 Books in SAT Math Prep

Algebra 1

Topics Listed Alphabetically

Topics Aligned to the Common Core Standards

Topics Matched to Your Textbook

Leave a Reply Cancel reply

You must be logged in to post a comment.