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 | Finding area by rearranging parts | Geometry | 6th grade | Khan Academy | 3:57 | 0 | |
 | How to find the area of a strange quadrilateral on a grid | Geometry | 6th grade | Khan Academy | 3:54 | 0 | |
 | What are terms, factors, and coefficients in algebraic expressions? | 6th grade | Khan Academy | 7:21 | 0 | |
 | How to evaluate expressions with two variables | 6th grade | Khan Academy | 2:50 | 0 | |
 | Count outcomes using tree diagram | Statistics and probability | 7th grade | Khan Academy | 4:31 | 0 | |
 | Construct a triangle with constraints | Geometry | 7th grade | Khan Academy | 3:59 | 0 | |
 | Construct a right isosceles triangle | Geometry | 7th grade | Khan Academy | 1:26 | 0 | |
 | Find measure of angles in a word problem | Geometry | 7th grade | Khan Academy | 4:34 | 0 | |
 | Find measure of vertical angles | Geometry | 7th grade | Khan Academy | 3:00 | 0 | |
 | Find the volume of rectangles inside rectangles | Geometry | 7th grade | Khan Academy | 4:47 | 0 | |
 | Find the volume of a ring | Geometry | 7th grade | Khan Academy | 2:40 | 0 | |
 | Impact of a radius change on the area of a circle | Geometry | 7th grade | Khan Academy | 3:31 | 0 | |
 | Area of a shaded region | Geometry | 7th grade | Khan Academy | 1:31 | 0 | |
 | Circumference of a circle | Geometry | 7th grade | Khan Academy | 1:53 | 0 | |
 | How to make a scale drawing | 7th grade | Khan Academy | 3:18 | 0 | |
 | Solve a scale drawing word problem | Geometry | 7th grade | Khan Academy | 5:51 | 0 | |
 | Interpreting a scale drawing | Geometry | 7th grade | Khan Academy | 4:26 | 0 | |
 | Video games and violence | Statistical studies | Probability and Statistics | Khan Academy | 3:21 | 0 | |
 | Interpreting a trend line | Data and modeling | 8th grade | Khan Academy | 3:28 | 0 | |
 | Smoking in 1945 | Data and modeling | 8th grade | Khan Academy | 4:47 | 0 | |
 | Understanding division of fractions | Fractions | Pre-Algebra | Khan Academy | 5:42 | 0 | |
 | Comparing fractions with like numerators and denominators | Fractions | Pre-Algebra | Khan Academy | 4:48 | 0 | |
 | Intuitive understanding of slope example | Algebra I | Khan Academy | 2:35 | 0 | |
 | Angle measurement and circle arcs | Angles and intersecting lines | Geometry | Khan Academy | 7:37 | 0 | |
 | Parallel and perpendicular lines intro | Analytic geometry | Geometry | Khan Academy | 2:80 | 0 | |
 | Slice a rectangular pyramid | Perimeter, area, and volume | Geometry | Khan Academy | 3:30 | 0 | |
 | Finding surface area: nets of polyhedra | Perimeter, area, and volume | Geometry | Khan Academy | 4:19 | 0 | |
 | Nets of polyhedra | Perimeter, area, and volume | Geometry | Khan Academy | 6:48 | 0 | |
 | Constructing scatter plot exercise example | Regression | Probability and Statistics | Khan Academy | 1:58 | 0 | |
 | Constructing a scatter plot | Regression | Probability and Statistics | Khan Academy | 2:32 | 0 | |
 | People smoking less over time scatter plot | Regression | Probability and Statistics | Khan Academy | 2:35 | 0 | |
 | Studying, shoe size, and test scores scatter plots | Probability and Statistics | Khan Academy | 2:26 | 0 | |
 | Chain rule example using visual information | Differential Calculus | Khan Academy | 3:56 | 0 | |
 | Chain rule example using visual function definitions | Differential Calculus | Khan Academy | 5:25 | 0 | |
 | Limit by factoring cubic expression | Limits | Differential Calculus | Khan Academy | 3:56 | 0 | |
 | Two-sided limit from graph | Limits | Differential Calculus | Khan Academy | 2:46 | 0 | |
 | Inferring limit from numerical data | Limits | Differential Calculus | Khan Academy | 3:60 | 0 | |
 | Unit vector notation | Vectors and spaces | Linear Algebra | Khan Academy | 7:59 | 0 | |
 | Multiplying a vector by a scalar | Vectors and spaces | Linear Algebra | Khan Academy | 5:44 | 0 | |
 | Adding vectors | Vectors and spaces | Linear Algebra | Khan Academy | 7:12 | 0 | |
 | Real coordinate spaces | Vectors and spaces | Linear Algebra | Khan Academy | 6:21 | 0 | |
 | Vector intro for linear algebra | Vectors and spaces | Linear Algebra | Khan Academy | 5:49 | 0 | |
 | How to convert hours to minutes and minutes to seconds | Khan Academy | 3:22 | 0 | |
 | Thiago asks: How much time does a goalkeeper have to react to a penalty kick? | Khan Academy | 12:50 | 0 | |
 | Structure in rational expression | Polynomial and rational functions | Algebra II | Khan Academy | 4:41 | 0 | |
 | Structure in exponential expression | Polynomial and rational functions | Algebra II | Khan Academy | 7:19 | 0 | |
 | Formula for a finite geometric series | Sequences, series and induction | Precalculus | Khan Academy | 9:38 | 0 | |
 | Sigma notation for sums | Sequences, series and induction | Precalculus | Khan Academy | 4:27 | 0 | |
 | Geometric sequence or progression | 4:39 | 0 | |
 | Geometric series | Sequences, series and induction | Precalculus | Khan Academy | 4:28 | 0 | |
 | Another derivation of the sum of an infinite geometric series | Precalculus | Khan Academy | 7:54 | 0 | |
 | Repeating decimal as infinite geometric series | Precalculus | Khan Academy | 8:20 | 0 | |
 | Sum of an infinite geometric series | Sequences, series and induction | Precalculus | Khan Academy | 4:46 | 0 | |
 | Vertical distance of bouncing ball | Sequences, series and induction | Precalculus | Khan Academy | 5:10 | 0 | |
 | Geometric series convergence and divergence examples | Precalculus | Khan Academy | 4:16 | 0 | |
 | Birth of the US Constitution | 12:43 | 0 | |
 | First draft of the Declaration of Independence | 8:10 | 0 | |
 | Tyranny and despotism | 9:54 | 0 | |
 | Life, liberty and the pursuit of happiness | 5:55 | 0 | |
 | All men are created equal | 7:14 | 0 | |
 | Background and introduction to the United States Declaration of Independence | 8:38 | 0 | |
 | Walter Isaacson explains the drafting of the Declaration of Independence to Sal | 7:40 | 0 | |
 | Properties and patterns for multiplication | 3th grade | Khan Academy | 8:34 | 0 | |
 | Order doesn't matter when purely multiplying | 3th grade | Khan Academy | 5:34 | 0 | |
 | Clarification: Comparing fractions of different wholes | 3th grade | Khan Academy | 2:59 | 0 | |
 | Running distance in a week | Multiplication and division | 3th grade | Khan Academy | 3:32 | 0 | |
 | Marbles for friends | Multiplication and division | 3th grade | Khan Academy | 5:43 | 0 | |
 | Total seats in a theater | Multiplication and division | 3th grade | Khan Academy | 3:10 | 0 | |
 | How many truffle eating guests attended a party | 3th grade | Khan Academy | 5:00 | 0 | |
 | Powers of 10: patterns | Place value and decimals | 5th grade | Khan Academy | 5:34 | 0 | |
 | The idea of division | Multiplication and division | Arithmetic | Khan Academy | 8:10 | 0 | |
 | More on the concept of multiplication | Multiplication and division | Arithmetic | Khan Academy | 5:29 | 0 | |
 | Multiplication as groups of objects | Multiplication and division | Arithmetic | Khan Academy | 4:19 | 0 | |
 | Intro to multiplication | Multiplication and division | Arithmetic | Khan Academy | 3:33 | 0 | |
 | Comparing areas and perimeters of rectangles | Measurement | Pre-Algebra | Khan Academy | 5:34 | 0 | |
 | Finding factors and multiples | Factors and multiples | Pre-Algebra | Khan Academy | 4:00 | 0 | |
 | Adding and subtracting negative numbers | Pre-Algebra | Khan Academy | 4:70 | 0 | |
 | Drawing line segments example | Introduction to Euclidean geometry | Geometry | Khan Academy | 1:55 | 0 | |
 | Liters of soda for the party | 2:12 | 0 | |
 | Comparing fractions with greater than and less than symbols | Fractions | Pre-Algebra | Khan Academy | 5:19 | 0 | |
 | Whole numbers as fractions | Fractions | 3th grade | Khan Academy | 4:23 | 0 | |
 | Fraction basics | Fractions | 3th grade | Khan Academy | 4:15 | 0 | |
 | Equivalent fractions visually and on number line | 3th grade | Khan Academy | 4:20 | 0 | |
 | More than one equal section | Fractions | 3th grade | Khan Academy | 3:48 | 0 | |
 | Fractions on a number line | Fractions | 3th grade | Khan Academy | 4:16 | 0 | |
 | Generating equivalent fractions | Fractions | 3th grade | Khan Academy | 4:12 | 0 | |
 | Comparing fractions visually and on number line | 3th grade | Khan Academy | 4:43 | 0 | |
 | Different ways to represent 1 as a fraction | 3th grade | Khan Academy | 3:46 | 0 | |
 | Mental technique for subtraction without regrouping | 3th grade | Khan Academy | 2:37 | 0 | |
 | Subtracting: three digit numbers and basic regrouping | Arithmetic | Khan Academy | 2:47 | 0 | |
 | Adding three digit numbers with regrouping | Addition and subtraction | Arithmetic | Khan Academy | 3:40 | 0 | |
 | Subtracting: Regrouping from zero | Addition and subtraction | Arithmetic | Khan Academy | 2:24 | 0 | |
 | Subtracting: regrouping twice | Addition and subtraction | Arithmetic | Khan Academy | 3:48 | 0 | |
 | Subtracting: three digit numbers and regrouping | Arithmetic | Khan Academy | 3:20 | 0 | |
 | Adding: why carrying works | Addition and subtraction | Arithmetic | Khan Academy | 2:30 | 0 | |
 | Adding three-digit numbers | Addition and subtraction | Arithmetic | Khan Academy | 2:26 | 0 | |
 | Rounding to the nearest 100 | 3th grade | Khan Academy | 4:56 | 0 | |
 | Rounding to the nearest 10 | 3th grade | Khan Academy | 6:22 | 0 | |
 | Examples rounding to the nearest 10 and 100 | 3th grade | Khan Academy | 6:17 | 0 | |
 | Conversation on Google+ with Sal Khan | 1:01:23 | 0 | |
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