View all English videos

Khan Academy isiZulu

IKhan Academy iyinhlangano enonhloso. Siwumkhakha ongenzi inzuzo kodwa onenhloso yokuthuthukisa izinga lemfundo, ngokunikezela simahla imfundo eseqopheni eliphezulu ezweni kuwonke umuntu nomakukuphi. Ama-Video owabona lana akusiwo wodwa esinawo, akhona amanye ashiqilelwe olimini lweSizulu kuyona i-main site yethu.

Ukusiza kulomzamo ungavakashela ku: http://khanacademy.org/r/applytotranslate.

Ukwazi kangcono ngalokhu esikwenzayo ungavakashela ku: http://international.khanacademy.org.

Wonke Umsebenzi owenziwa yilenhlangano utholakala ku: khanacademy.org.

Omele isiZulu: Dumazile Chauke

Probability and combinatorics

  • Probability and statistics

  • Special properties and parts of triangles

  • Area circumradius formual proof Median centroid right triangle example Finding central angle measure given arch length
    2003 AIME 2 problem 7 Circumcenter of a right triangle Triangle medians and centriods 2D proof
    Angle bisectors theorem examples Constructing a perpendicular line using campass and straight edge Area of inscribed equilateral triangle some basic trig used
    Point line distance and angle bisectors Three points defining a circle Rhombus Diagonals
    Angle bisectors theorem proof Exploring medial triangles Perpendicular radius bisects chord
    Incenter and incircles of a triangle Euler's line proof Whether a special quadrilateral can exist
    Proof Triangle altitudes are concurrent Review of triangle properties Proof diagonals of a parallelogram bisect each other
    Inradius perimeter and area Area of a sector given a central angle Length of an arch that subtends a central triangle
    Circumcenter of a triangle Proving that the centroid is 2 3rd along the median Right triangles inscribed in circle proof
    Euler line Proof opposite sides of parallelogram congruent Language and notation of the circle
    Common orthocenter and centroid Triangle Medians and centriods Proof opposite angles of parallelogram congruent
    Constructing a perpendicular bisect using campass straight edge Proof Rhombus diagonal are perpendicular bisectors Median devide into smaller triangle of equal area
    Constructing an angle bisect using a campass and straight edge Inscribed and central angles Proof Rhombus area half product of diagonal length
  • Area circumradius formual proof
    2003 AIME 2 problem 7
    Angle bisectors theorem examples
    Point line distance and angle bisectors
    Angle bisectors theorem proof
    Incenter and incircles of a triangle
    Proof Triangle altitudes are concurrent
    Inradius perimeter and area
    Circumcenter of a triangle
    Euler line
    Common orthocenter and centroid
    Constructing a perpendicular bisect using campass straight edge
    Constructing an angle bisect using a campass and straight edge
    Median centroid right triangle example
    Circumcenter of a right triangle
    Constructing a perpendicular line using campass and straight edge
    Three points defining a circle
    Exploring medial triangles
    Euler's line proof
    Review of triangle properties
    Area of a sector given a central angle
    Proving that the centroid is 2 3rd along the median
    Proof opposite sides of parallelogram congruent
    Triangle Medians and centriods
    Proof Rhombus diagonal are perpendicular bisectors
    Inscribed and central angles
    Finding central angle measure given arch length
    Triangle medians and centriods 2D proof
    Area of inscribed equilateral triangle some basic trig used
    Rhombus Diagonals
    Perpendicular radius bisects chord
    Whether a special quadrilateral can exist
    Proof diagonals of a parallelogram bisect each other
    Length of an arch that subtends a central triangle
    Right triangles inscribed in circle proof
    Language and notation of the circle
    Proof opposite angles of parallelogram congruent
    Median devide into smaller triangle of equal area
    Proof Rhombus area half product of diagonal length
  • Right triangles

    Area and Perimeter

  • Indefinite and definite integrals

  • Antiderivative of xcosx using integration by parts Definite Integrals (area under a curve) (part III) Trig substitution with tangent
    Basic trig and exponential antiderivatives Definite integrals (part II) U-substitution and back substitution
    Deriving integration by parts formula Definite integrals (part 4) U-substitution example 2
    Generalizing a left Riemann sum with equally spaced rectangles Definite integrals (part 5) U-substitution example 3
    Indefinite integrals of x raised to a power Evaluating simple definite integral U-substitution with definite integral
    Integral of ln x Introduction to definite integrals U-substitution with ln(x)
    Integration by parts twice for antiderivative of (x^2)(e^x) Intuition for Second Fundamental Theorem of Calculus U-substitution
    Integration by parts of (e^x)(cos x) (2^ln x)/x Antiderivative Example Applying the fundamental theorem of calculus
    Rectangular and trapezoidal Riemann approximations Another substitution with xsin (theta) Both bounds being a function of x
    Riemann sums and integrals Another u-substitution example Connecting the first and second fundamental theorems of calculus
    Simple Riemann approximation using rectangles Doing u-substitution twice (second time with w) Divergent improper integral
    Trapezoidal approximation of area under curve Integrals: Trig Substitution 1 Fundamental theorem of calculus
    Area between curves with multiple boundaries Integrals: Trig Substitution 2 Improper integral with two infinite bounds
    Area between curves Integrals: Trig Substitution 3 (long problem) Introduction to improper integrals
    Challenging definite integration Introduction to trig substitution Proof of Fundamental Theorem of Calculus
    Definite integral with substitution Trig and U substitution together (part 1) Swapping the bounds for definite integral
    Definite integrals and negative area Trig and U substitution together (part 2)
  • Antiderivative of xcosx using integration by parts
    Basic trig and exponential antiderivatives
    Deriving integration by parts formula
    Generalizing a left Riemann sum with equally spaced rectangles
    Indefinite integrals of x raised to a power
    Integral of ln x
    Integration by parts twice for antiderivative of (x^2)(e^x)
    Integration by parts of (e^x)(cos x)
    Rectangular and trapezoidal Riemann approximations
    Riemann sums and integrals
    Simple Riemann approximation using rectangles
    Trapezoidal approximation of area under curve
    Area between curves with multiple boundaries
    Area between curves
    Challenging definite integration
    Definite integral with substitution
    Definite integrals and negative area
    Definite Integrals (area under a curve) (part III)
    Definite integrals (part II)
    Definite integrals (part 4)
    Definite integrals (part 5)
    Evaluating simple definite integral
    Introduction to definite integrals
    Intuition for Second Fundamental Theorem of Calculus
    (2^ln x)/x Antiderivative Example
    Another substitution with xsin (theta)
    Another u-substitution example
    Doing u-substitution twice (second time with w)
    Integrals: Trig Substitution 1
    Integrals: Trig Substitution 2
    Integrals: Trig Substitution 3 (long problem)
    Introduction to trig substitution
    Trig and U substitution together (part 1)
    Trig and U substitution together (part 2)
    Trig substitution with tangent
    U-substitution and back substitution
    U-substitution example 2
    U-substitution example 3
    U-substitution with definite integral
    U-substitution with ln(x)
    U-substitution
    Applying the fundamental theorem of calculus
    Both bounds being a function of x
    Connecting the first and second fundamental theorems of calculus
    Divergent improper integral
    Fundamental theorem of calculus
    Improper integral with two infinite bounds
    Introduction to improper integrals
    Proof of Fundamental Theorem of Calculus
    Swapping the bounds for definite integral
  • Taking derivatives

  • Derivative Intuition Module Power Rule Product rule for more than two functions
    Graphs of functions and their derivatives Is the power rule reasonable Quotient rule from product rule
    Identifying a function's derivative Derivative properties and polynomial derivatives Quotient rule for derivative of tan x
    Intuitively drawing the derivative of a function Proof: d/dx(x^n) Using the product rule and the chain rule
    Visualizing derivatives exercise Proof: d/dx(sqrt(x)) Product Rule
    Newton Leibniz and Usain Bolt Power rule introduction Quotient rule and common derivatives
    Derivative as slope of a tangent line Derivatives of sin x, cos x, tan x, e^x and ln x Equation of a tangent line
    Tangent slopes as limiting value of secant slope example 1 Chain rule introduction Showing explicit and implicit differentiation give same result
    Tangent slope as limiting value of secant slope example 2 Chain rule definition and example Proofs of derivatives of ln(x) and e^x
    Tangent slope as limiting value of secant slope example 3 Chain rule with triple composition Proof: d/dx(ln x) 1/x
    Calculating slope of tangent line using derivative definition Chain rule for derivative of 2^x Proof: d/dx(e^x) e^x
    The derivative of f(x)x^2 for any x Derivative of log with arbitrary base Implicit differentiation
    Formal and alternate forms of the derivative Extreme Derivative Word Problem (advanced) Implicit derivative of (x-y)^2 x + y + 1
    Formal and alternate form of the derivative for Inx The Chain Rule Implicit derivative of y cos(5x - 3y)
    Formal and alternate forms of the derivatives example 1 Chain Rule Examples Implicit derivative of e^(xy^2) x - y
    Interpreting slope of a curve exercise Even More Chain Rule Finding slope of tangent line with implicit differentiation
    Calculus: Derivatives 1 More examples using multiple rules Building the idea of espilon delta definition
    Calculus: Derivatives 2 Applying the product rule for derivatives
  • Derivative Intuition Module
    Graphs of functions and their derivatives
    Identifying a function's derivative
    Intuitively drawing the derivative of a function
    Visualizing derivatives exercise
    Newton Leibniz and Usain Bolt
    Derivative as slope of a tangent line
    Tangent slopes as limiting value of secant slope example 1
    Tangent slope as limiting value of secant slope example 2
    Tangent slope as limiting value of secant slope example 3
    Calculating slope of tangent line using derivative definition
    The derivative of f(x)x^2 for any x
    Formal and alternate forms of the derivative
    Formal and alternate form of the derivative for Inx
    Formal and alternate forms of the derivatives example 1
    Interpreting slope of a curve exercise
    Calculus: Derivatives 1
    Calculus: Derivatives 2
    Power Rule
    Is the power rule reasonable
    Derivative properties and polynomial derivatives
    Proof: d/dx(x^n)
    Proof: d/dx(sqrt(x))
    Power rule introduction
    Derivatives of sin x, cos x, tan x, e^x and ln x
    Chain rule introduction
    Chain rule definition and example
    Chain rule with triple composition
    Chain rule for derivative of 2^x
    Derivative of log with arbitrary base
    Extreme Derivative Word Problem (advanced)
    The Chain Rule
    Chain Rule Examples
    Even More Chain Rule
    More examples using multiple rules
    Applying the product rule for derivatives
    Product rule for more than two functions
    Quotient rule from product rule
    Quotient rule for derivative of tan x
    Using the product rule and the chain rule
    Product Rule
    Quotient rule and common derivatives
    Equation of a tangent line
    Showing explicit and implicit differentiation give same result
    Proofs of derivatives of ln(x) and e^x
    Proof: d/dx(ln x) 1/x
    Proof: d/dx(e^x) e^x
    Implicit differentiation
    Implicit derivative of (x-y)^2 x + y + 1
    Implicit derivative of y cos(5x - 3y)
    Implicit derivative of e^(xy^2) x - y
    Finding slope of tangent line with implicit differentiation
    Building the idea of espilon delta definition
  • Geometry

  • Triangle Angle Example 3 Angles (part 2) Example involving an isosceles triangle and parallel liness
    Triangle Angle Example 2 Angles formed between transversals and parallel lines Another Isosceles Example Problem
    Triangle Angle Example 1 Angles of parallel lines 2 Equilateral and Isosceles Example Problems
    The Angle Game Challenging Triangle Angle Problem Equilateral Triangle Sides and Angles Congruent
    Angle basics Example using algebra to find measure of complementary angles Congruent legs and base angles of Isosceles Triangles
    Angles Formed by Parallel Lines and Transversals Complementary and supplementary angles Congruent Triangle Example 2
    CA Geometry: Deducing Angle Measures Finding More Angles Congruent Triangle Proof Example
    Figuring out angles between transversal and parellel lines Introduction to angles (old) Perpendicular Radius Bisects Chord
    Identifying Parallel and Perpendicular Lines Proof corresponding angle equivalence implies parallel lines More on why SSA is not a postulate
    Introduction to vertical angles Sum of the exterior angles of convex polygon Finding Congruent Triangles
    Measuring angles in degrees Proof - Sum of Measures of Angles in a Triangle are 180 Two column proof showing segments are perpendicular
    Proof-Vertical Angles are Equal Sum of interior angle of a polygon Other Triangle Congruence Postulates
    Using a protractor Problem involving angle derived from square and circle SSS to Show a Radius is Perpendicular to a Chord that it Bisects
    Using algebra to find measure of angles formed Wrong statements in proofs example 1 Congruent Triangles and SSS
    Vertical adjacent and Limearly paired angels Fill-in-the-blank triangle proofs example 2 Example using algebra to find measure of Supplimentary angles
    Acute, right, obtuse angles Basic Triangle Proofs Module Example 2 Example using algebra to find measure of Complemetary angles
    Angle Game (part 2) Basic Triangle Proofs Module Example Angles (part 3)
    Figuring out all the angles for congruent triangles example
  • Triangle Angle Example 3
    Triangle Angle Example 2
    Triangle Angle Example 1
    The Angle Game
    Angle basics
    Angles Formed by Parallel Lines and Transversals
    CA Geometry: Deducing Angle Measures
    Figuring out angles between transversal and parellel lines
    Identifying Parallel and Perpendicular Lines
    Introduction to vertical angles
    Measuring angles in degrees
    Proof-Vertical Angles are Equal
    Using a protractor
    Using algebra to find measure of angles formed
    Vertical adjacent and Limearly paired angels
    Acute, right, obtuse angles
    Angle Game (part 2)
    Angles (part 3)
    Angles (part 2)
    Angles formed between transversals and parallel lines
    Angles of parallel lines 2
    Challenging Triangle Angle Problem
    Example using algebra to find measure of complementary angles
    Complementary and supplementary angles
    Finding More Angles
    Introduction to angles (old)
    Proof corresponding angle equivalence implies parallel lines
    Sum of the exterior angles of convex polygon
    Proof - Sum of Measures of Angles in a Triangle are 180
    Sum of interior angle of a polygon
    Problem involving angle derived from square and circle
    Wrong statements in proofs example 1
    Fill-in-the-blank triangle proofs example 2
    Basic Triangle Proofs Module Example 2
    Basic Triangle Proofs Module Example
    Figuring out all the angles for congruent triangles example
    Example involving an isosceles triangle and parallel liness
    Another Isosceles Example Problem
    Equilateral and Isosceles Example Problems
    Equilateral Triangle Sides and Angles Congruent
    Congruent legs and base angles of Isosceles Triangles
    Congruent Triangle Example 2
    Congruent Triangle Proof Example
    Perpendicular Radius Bisects Chord
    More on why SSA is not a postulate
    Finding Congruent Triangles
    Two column proof showing segments are perpendicular
    Other Triangle Congruence Postulates
    SSS to Show a Radius is Perpendicular to a Chord that it Bisects
    Congruent Triangles and SSS
    Example using algebra to find measure of Supplimentary angles
    Example using algebra to find measure of Complemetary angles
  • Derivative applications

  • Minima, maxima, inflection points and critical points

  • Limits

    Sequences and induction

  • Sequences and induction

    Basic Trigonometry

    Functions

    Quadratics

  • Graphs of Quadratic Functions Example 2: Factoring by grouping Solving Quadratic Equations by Completing the Square
    Factoring Quadratic Expressions Example 3: Factoring by grouping Example: Solving simple quadratic
    Examples: Factoring simple quadratics Example 4: Factoring by grouping Solving Quadratic Equations by Square Roots
    Example 1: Factoring quadratic expressions Example 6: Factoring by grouping Quadratic Inequalities (Visual Explanation)
    Example 2: Solving a quadratic equation by factoring Example 5: Factoring by grouping Quadratic Formula (proof)
    Example 3: Solving a quadratic equation by factoring Parabola Focus and Directrix 1 How to Use the Quadratic Formula
    Example 4: Solving a quadratic equation by factoring Focus and Directrix of a Parabola 2 Quadratic Inequalities
    Example: Graphing a quadratic Focus and Directrix of a Parabola 2 Example: Quadratics in standard form
    Example 1: Factoring trinomials with a common factor Applying Quadratic Functions 2 Example: Complex roots for a quadratic
    Example 1: Factoring difference of squares Applying Quadratic Functions 1 Example 5: Using the quadratic formula
    Factoring Special Products Examples: Graphing and interpreting quadratics Example 3: Using the quadratic formula
    Example 2: Factoring difference of squares Example: Parabola vertex and axis of symmetry Example 2: Using the quadratic formula
    Example: Factoring perfect square trinomials Example: Roots and vertex of a parabola Example 1: Using the quadratic formula
    Example: Factoring a fourth degree expression Example 3: Completing the square Discriminant of Quadratic Equations
    Example: Basic grouping Example 2: Completing the square Discriminant for Types of Solutions for a Quadratic
    Factor by Grouping and Factoring Completely Example 1: Completing the square Example 4: Applying the quadratic formula
    Example: Factoring special products Example: Completing perfect square trinomials Example 5: Completing the square
    Example 1: Factoring by grouping Completing the square (old school) Example 4: Completing the square
  • Graphs of Quadratic Functions
    Factoring Quadratic Expressions
    Examples: Factoring simple quadratics
    Example 1: Factoring quadratic expressions
    Example 2: Solving a quadratic equation by factoring
    Example 3: Solving a quadratic equation by factoring
    Example 4: Solving a quadratic equation by factoring
    Example: Graphing a quadratic
    Example 1: Factoring trinomials with a common factor
    Example 1: Factoring difference of squares
    Factoring Special Products
    Example 2: Factoring difference of squares
    Example: Factoring perfect square trinomials
    Example: Factoring a fourth degree expression
    Example: Basic grouping
    Factor by Grouping and Factoring Completely
    Example: Factoring special products
    Example 1: Factoring by grouping
    Example 2: Factoring by grouping
    Example 3: Factoring by grouping
    Example 4: Factoring by grouping
    Example 6: Factoring by grouping
    Example 5: Factoring by grouping
    Parabola Focus and Directrix 1
    Focus and Directrix of a Parabola 2
    Focus and Directrix of a Parabola 2
    Applying Quadratic Functions 2
    Applying Quadratic Functions 1
    Examples: Graphing and interpreting quadratics
    Example: Parabola vertex and axis of symmetry
    Example: Roots and vertex of a parabola
    Example 3: Completing the square
    Example 2: Completing the square
    Example 1: Completing the square
    Example: Completing perfect square trinomials
    Completing the square (old school)
    Solving Quadratic Equations by Completing the Square
    Example: Solving simple quadratic
    Solving Quadratic Equations by Square Roots
    Quadratic Inequalities (Visual Explanation)
    Quadratic Formula (proof)
    How to Use the Quadratic Formula
    Quadratic Inequalities
    Example: Quadratics in standard form
    Example: Complex roots for a quadratic
    Example 5: Using the quadratic formula
    Example 3: Using the quadratic formula
    Example 2: Using the quadratic formula
    Example 1: Using the quadratic formula
    Discriminant of Quadratic Equations
    Discriminant for Types of Solutions for a Quadratic
    Example 4: Applying the quadratic formula
    Example 5: Completing the square
    Example 4: Completing the square
  • Exponent expressions and equations

    Functions

    Fractions

  • Graphing points, equations and inequalities

  • Plot Ordered Pairs Graphing Inequalities 2 Equation of a line 3
    Quadrants of Coordinates Plane Graphing Linear Inequalities in Two Variables Example 2 Linear Equations in Point Slope Form
    Ordered pair solutions of equations Solving and graphing linear inequalities in two variables 1 Linear Equations in Standard Form
    Ordered Pair Solutions of Equations 2 Graphing Inequalities Fitting a Line to Data
    Plotting (x,y) relationships Slope of a line Point-slope and standard form
    Graphs of Linear Equations Slope of a Line 2 Midpoint Formula
    Application problem with graph Slope and Rate of Change Distance Formula
    Interpreting Linear Graphs Graphical Slope of a Line Perpendicular Line Slope
    Exploring linear relationships Slope of a Line 3 Equations of Parallel and Perpendicular Lines
    Recognizing Linear Functions Slope Example Parallel Line Equation
    Graphing lines 1 Hairier Slope of Line Parallel Lines
    X and Y intercepts Slope and Y-intercept Intuition Parallel Lines 2
    X and Y intercepts 2 Algebra: Slope Parallel Lines 3
    Graphing using X and Y intercepts Algebra: Slope 2 Perpendicular Lines
    Graphing Using Intercepts Algebra: Slope 3 Perpendicular lines 2
    Linear Equations in Slope Intercept Form Graphs Using Slope-Intercept Form Algebra: Slope and Y-intercept intuition
    Graphing a line in slope intercept form Word Problem Solving 4 Algebra: Equation of a line
    CA Algebra I: Graphing Inequalities Equation of a line 1 CA Algebra I: Slope and Y-intercept
    Graphing Inequalities 1 Equation of a Line 2 Graphing linear inequalities in two variables 3
    Equation of a Line hairier example
  • Plot Ordered Pairs
    Quadrants of Coordinates Plane
    Ordered pair solutions of equations
    Ordered Pair Solutions of Equations 2
    Plotting (x,y) relationships
    Graphs of Linear Equations
    Application problem with graph
    Interpreting Linear Graphs
    Exploring linear relationships
    Recognizing Linear Functions
    Graphing lines 1
    X and Y intercepts
    X and Y intercepts 2
    Graphing using X and Y intercepts
    Graphing Using Intercepts
    Linear Equations in Slope Intercept Form
    Graphing a line in slope intercept form
    CA Algebra I: Graphing Inequalities
    Graphing Inequalities 1
    Graphing linear inequalities in two variables 3
    Graphing Inequalities 2
    Graphing Linear Inequalities in Two Variables Example 2
    Solving and graphing linear inequalities in two variables 1
    Graphing Inequalities
    Slope of a line
    Slope of a Line 2
    Slope and Rate of Change
    Graphical Slope of a Line
    Slope of a Line 3
    Slope Example
    Hairier Slope of Line
    Slope and Y-intercept Intuition
    Algebra: Slope
    Algebra: Slope 2
    Algebra: Slope 3
    Graphs Using Slope-Intercept Form
    Word Problem Solving 4
    Equation of a line 1
    Equation of a Line 2
    Equation of a Line hairier example
    Equation of a line 3
    Linear Equations in Point Slope Form
    Linear Equations in Standard Form
    Fitting a Line to Data
    Point-slope and standard form
    Midpoint Formula
    Distance Formula
    Perpendicular Line Slope
    Equations of Parallel and Perpendicular Lines
    Parallel Line Equation
    Parallel Lines
    Parallel Lines 2
    Parallel Lines 3
    Perpendicular Lines
    Perpendicular lines 2
    Algebra: Slope and Y-intercept intuition
    Algebra: Equation of a line
    CA Algebra I: Slope and Y-intercept
  • Linear inequalities

    Exponent properties

    Systems of equations and inequalities

  • Rational expressions and equations

    Ratios, proportions, units and rates

  • Linear equations

  • What is a variable Example 1: Variables on both sides Taking percentages
    Why aren't we using the multiplication sign Example 2: Variables on both sides Challenge example: Sum of integers
    Example: evaluating an expression Equations with special cases Finding the 100th Term in a Sequence
    Example: evaluate a formula using substitution Interpreting Inequalities Averages
    Evaluating exponential expressions 2 Absolute Value Inequalities Algebra: Linear Equations 4
    Expressions with two variables Absolute Value Inequalities Example 1 Patterns in Sequences 2
    Example: Evaluating expressions with 2 variables Absolute value inequalities example 3 Algebra: Linear Equations 3
    Algebraic Expression Least Common Multiple Ex 1 Age word problem Patterns in Sequences 1
    Examples of evaluating variable expressions Absolute Value Equations Algebra: Linear Equations 2
    Variables Expressions and Equations Ex 3 Age word problem Early Train Word Problem
    Simple Equations Absolute Value Equation Example 2 Algebra: Linear Equations 1
    Solving One-Step Equations Ex 2 Age word problem Basic Rate Problem
    Solving One-Step Equations 2 Absolute Value Equations 1 Absolute value inequalities Example 3
    One step equations Basic linear equation word problem Absolute inequalities
    Two-Step Equations Solving for a variable Absolute Value Equations Example 1
    Solving Ax+B C Solving for a Variable 2 Evaluating expressions with unknown variables 2
    Example: Two-step equation with x/4 term Another Percent Word Problem Evaluating expressions where individual variable values are unknown
    Example: Dimensions of a garden Rearrange formulas to isolate specific variables Ex 3: Distributive property to simplify
    Combining like terms Another percent example Ex 2: Distributive property to simplify
    Combining Like Terms 1 Example: Solving for a variable Ex 1: Distributive property to simplify
    Combining like terms and the distributive property Bunch of Examples Solving equations with the distributive property 2
    Combining Like Terms 3 More Percent Problems Solving Equations with the Distributive Property
    Combining Like Terms 2 2003 AIME II Problem 1 Ex 2 Multi-step equation
    Variables on both sides Integer sums Ex 1 Multi step equation
  • What is a variable
    Why aren't we using the multiplication sign
    Example: evaluating an expression
    Example: evaluate a formula using substitution
    Evaluating exponential expressions 2
    Expressions with two variables
    Example: Evaluating expressions with 2 variables
    Algebraic Expression Least Common Multiple
    Examples of evaluating variable expressions
    Variables Expressions and Equations
    Simple Equations
    Solving One-Step Equations
    Solving One-Step Equations 2
    One step equations
    Two-Step Equations
    Solving Ax+B C
    Example: Two-step equation with x/4 term
    Example: Dimensions of a garden
    Combining like terms
    Combining Like Terms 1
    Combining like terms and the distributive property
    Combining Like Terms 3
    Combining Like Terms 2
    Variables on both sides
    Example 1: Variables on both sides
    Example 2: Variables on both sides
    Equations with special cases
    Interpreting Inequalities
    Absolute Value Inequalities
    Absolute Value Inequalities Example 1
    Absolute value inequalities example 3
    Ex 1 Age word problem
    Absolute Value Equations
    Ex 3 Age word problem
    Absolute Value Equation Example 2
    Ex 2 Age word problem
    Absolute Value Equations 1
    Basic linear equation word problem
    Solving for a variable
    Solving for a Variable 2
    Another Percent Word Problem
    Rearrange formulas to isolate specific variables
    Another percent example
    Example: Solving for a variable
    Bunch of Examples
    More Percent Problems
    2003 AIME II Problem 1
    Integer sums
    Taking percentages
    Challenge example: Sum of integers
    Finding the 100th Term in a Sequence
    Averages
    Algebra: Linear Equations 4
    Patterns in Sequences 2
    Algebra: Linear Equations 3
    Patterns in Sequences 1
    Algebra: Linear Equations 2
    Early Train Word Problem
    Algebra: Linear Equations 1
    Basic Rate Problem
    Absolute value inequalities Example 3
    Absolute inequalities
    Absolute Value Equations Example 1
    Evaluating expressions with unknown variables 2
    Evaluating expressions where individual variable values are unknown
    Ex 3: Distributive property to simplify
    Ex 2: Distributive property to simplify
    Ex 1: Distributive property to simplify
    Solving equations with the distributive property 2
    Solving Equations with the Distributive Property
    Ex 2 Multi-step equation
    Ex 1 Multi step equation
  • Polynomials

  • Decimals and percent