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Math
Algebra
Introduction to algebra
Overview and history of algebra
Linear equations
Converting repeating decimals to fractions
Ratios and proportions
Systems of equations and inequalities
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
Addition and subtraction
Intro to addition and subtraction
Fractions
Adding and subtracting fractions with unlike denominators
Adding and subtracting mixed number with unlike denominators
Mixed number addition and subtraction
Mixed number multiplication and division
Calculus
Indefinite and definite integrals
Indefinite integral as anti-derivative
Riemann sums and definite integration
U-substitution
Early math
Counting
Counting small numbers
Geometry
Points, lines, and planes
Introduction to Euclidean geometry
Probability and statistics
Independent and dependent events
Basic probability
Dependent probability
Partner Content
MIT+K12
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  • Subtracting mixed numbers: 7 6/9 - 3 2/5

    Khan Academy
    563
    02:30

  • Adding mixed numbers: 19 3/18 + 18 2/3

    Khan Academy
    574
    02:20

  • Subtracting fractions with unlike denominators

    Khan Academy
    547
    05:00

  • Subtracting mixed numbers with regrouping (unlike denominators)

    Khan Academy
    464
    03:50

  • Adding mixed numbers with regrouping

    Khan Academy
    604
    05:07

  • Adding fractions with unlike denominators

    Khan Academy
    658
    07:23

  • Counting in order

    Khan Academy
    452
    01:57

  • Finding probablity example 2

    Khan Academy
    941
    09:55

  • Finding probablity example

    Khan Academy
    784
    02:55

  • Describing subsets of sample spaces exercise

    Khan Academy
    769
    05:43

  • Finding probablity example 3

    Khan Academy
    759
    02:10

  • Analyzing event probability for independence

    Khan Academy
    845
    06:47

  • Counting with small numbers

    Khan Academy
    824
    00:55

  • Systems with Elimination Practice

    Khan Academy
    1458
    05:30

  • Simple Elimination Practice

    Khan Academy
    1564
    04:17

  • Example 3: Solving systems by elimination

    Khan Academy
    1450
    04:57

  • Addition Elimination Method 4

    Khan Academy
    1602
    02:37

  • Addition Elimination Method 3

    Khan Academy
    1456
    05:04

  • Addition Elimination Method 2

    Khan Academy
    1596
    04:25

  • Addition Elimination Method 1

    Khan Academy
    1406
    03:37

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