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Introduction to algebra
Overview and history of algebra
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Converting repeating decimals to fractions
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Solving systems with elimination (addition-elimination)
Solving systems with substitution
Super fast systems of equations
Thinking about solutions to systems
Arithmetic
Arithmetic and pre-algebra
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Intro to addition and subtraction
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Adding and subtracting fractions with unlike denominators
Adding and subtracting mixed number with unlike denominators
Mixed number addition and subtraction
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Calculus
Indefinite and definite integrals
Indefinite integral as anti-derivative
Riemann sums and definite integration
U-substitution
Early math
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Counting small numbers
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Introduction to Euclidean geometry
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  • Simple Riemann approximation using rectangles

    Khan Academy
    676
    06:43

  • Basic trig and exponential antiderivatives

    Khan Academy
    670
    04:03

  • Antiderivatives and indefinite integrals

    Khan Academy
    629
    03:42

  • Indefinite integrals of x raised to a power

    Khan Academy
    659
    05:47

  • Antiderivative of hairier expression

    Khan Academy
    737
    06:15

  • Consistent and Inconsistent Systems

    Khan Academy
    1117
    05:28

  • Independent and Dependent Systems

    Khan Academy
    1102
    05:09

  • Practice thinking about number of solutions to systems

    Khan Academy
    1121
    06:35

  • Infinite solutions to systems

    Khan Academy
    1162
    07:06

  • Special types of linear systems

    Khan Academy
    1073
    15:17

  • Inconsistent systems of equations

    Khan Academy
    1186
    09:23

  • Solving systems of equations by multiplication

    Khan Academy
    1211
    12:00

  • Solving systems of equations by elimination

    Khan Academy
    1266
    12:43

  • Solving linear systems by graphing

    Khan Academy
    1199
    08:29

  • Solving linear systems by substitution

    Khan Academy
    1245
    09:20

  • Example 1: Solving systems by substitution

    Khan Academy
    1404
    03:43

  • Example 2: Solving systems by substitution

    Khan Academy
    1291
    04:05

  • Example 3: Solving systems by substitution

    Khan Academy
    1562
    06:03

  • The Substitution Method

    Khan Academy
    1350
    04:38

  • Substitution Method 2

    Khan Academy
    1455
    03:43

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