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 ax
2
+bx+c
More Videos Factoring Trinomials of the Form ax
2
+bx+c
Factoring Trinomials of the Form x
2
+bx+c
More Videos Factoring Trinomials of the Form x
2
+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
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Finding Unions and Intersections of Sets
More Videos Finding Unions and Intersections of Sets
Graphing a Quadratic Function of the Form ax
2
and ax
2
+c
Graphing Absolute Value Function
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Graphing Exponential Functions
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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 ax
2
+bx+c
More Videos Graphing Quadratic Functions of the Form ax
2
+bx+c
Graphing Rational Functions
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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
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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
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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
More Videos Solving Quadratic Equations by Completing the Square
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