Videos [1–100 of 14794 videos]
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04:15Evaluating Trigonometric Expressions Involving Special Angles
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02:04
Forming an Equation to Describe the Translation of a Given Function
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01:48
Graphs of Cube Root Functions
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01:51
Using Periodic Identities to Find the Value of a Trigonometric Function Involving Special Angles
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01:35
Adding Four-Digit Numbers Using a Place Value Table
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01:16
Adding Four-Digit Numbers Using Column Addition
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02:44
Adding Two Integer Numbers
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01:36
Marking Decimals on a Number Line
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02:45
Adding Different Notes to Find the Total Amount of Money
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01:47
Adding Different Notes to Find the Total Amount of Money
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01:20
Adding Two-Digit Numbers to Solve Word Problems
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02:25
Converting Fractions and Decimals Using Counters
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01:10
Factors of Fifteen
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01:02
Factors of Six
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01:52
Factors of Twelve
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02:56
Using Fraction Models to Understand Tenths
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02:05
Writing the Decimal Number That Matches a Given Model
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01:44
Calculating a Correlation Coefficient from Calculated Sum of Squares
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04:28
Calculating and Interpreting a Correlation Coefficient from Raw Data
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02:35
Choosing the Most Likely Correlation Coefficient Based on a Scatter Plot
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01:33
Dividing a One-Digit Number by Itself
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01:35
Dividing Zero
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02:10
Interpreting a Correlation Coefficient
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01:41
Selecting a Correlation Coefficient That Indicates the Weakest Correlation
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02:34
Adding Four-Digit Numbers to Solve Word Problems
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03:50
Adding Four-Digit Numbers Using Bar Models
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02:13
Finding the Dot and the Cross Product of Vectors
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02:33
Finding the Value of an Expression of Vectors Using the Scalar Triple Product
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01:28
Finding the Volume of a Parallelepiped
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02:32
Solving Word Problems Involving Subtraction of Two Multidigit Numbers
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03:04
Using the Scalar Triple Product to Find an Unknown
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16:26
Scalar Triple Product
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04:05
Adding Two Whole Numbers
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04:43
Adding Two Whole Numbers
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01:49
Choosing the Best Approximate Measure to the Given Angle
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01:25
Determining the Measure of an Angle Using the Protractor
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01:13
Determining the Type of Angle
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01:16
Identifying the Acute Angle
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01:09
Subtracting Two Multidigit Numbers
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03:27
Subtracting Two Multidigit Numbers
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02:04
Circular Sectors and Area of Circles
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02:34
Circular Sectors and Areas of Circles
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03:03
Circular Sectors and Areas of Circles
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01:23
Deriving a Formula for Calculating the Area of a Sector When Using Radians
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01:12
Determining the Probability of an Event Involving Mutually Exclusive Events
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00:52
Determining the Probability of Union of Two Mutually Exclusive Events
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02:15
Determining the Union of Two Mutually Exclusive Events
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02:42
Finding the Length of the Arc given the Area of the Sector and the Central Angle
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00:35
Finding the Probability of Intersection of Two Mutually Exclusive Events
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01:16
Finding the Probability of Union of Complement of Two Mutually Exclusive Events
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04:04
Comparing the Magnitude of Adding Two Vectors in a Three-Dimensional Plane to the Sum of Their Magnitudes
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05:30
Calculating Spearman’s Correlation Coefficient for a Bivariate Dataset
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03:10
Calculating the Dot Product of Vectors
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09:58
Calculating the Scalar Product of Two Vectors Shown on a Grid
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04:28
Calculating the Scalar Product of Two Vectors Shown on a Grid
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01:16
Comparing the Increase in Distance Moved by Two Objects
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03:09
Creating Exponential Equations in Two Variables
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03:51
Determining the Value of a Vector From an Equation and the Coordinates of Points
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04:33
Determining Values of Distance on a Distance-Time Graph
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14:06
Division Rules for 0 and 1
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05:36
Finding Spearman’s Correlation Coefficient for Bivariate Data
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05:18
Finding Spearman’s Correlation Coefficient for Bivariate Data
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03:35
Finding the Components of a Vector from Its Magnitude and Argument
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01:59
Finding the Cross Product of Two Parallel Vectors Represented in a Given Figure
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06:07
Finding the Impulse and the Average Force Exerted by a Barrier at Its Collision with a Moving Body
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02:42
Finding the Instantaneous Speed of an Object Given a Displacement-Time Graph
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02:03
Finding the Magnitude of a Vector from Its Argument and One of Its Components
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02:28
Finding the Magnitude of a Vector Given Its Argument and One of Its Components
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04:09
Finding the Speed of an Object Given a Tangent to a Curve on a Displacement-Time Graph
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09:11
Finding Two Unknown Components in a Force Vector given the Vector of the Moment of the Force about the Origin in Three Dimensions
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03:19
Forming a Quadratic Equation in the Simplest Form given Its Roots
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02:59
Forming a Quadratic Equation in the Simplest Form Using the Relation between the Coefficient of a Quadratic Function and Its Roots
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03:24
Forming Quadratic Equations in the Simplest Form given Their Roots
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04:38
Forming Quadratic Equations in the Simplest Form Using the Relation between a Quadratic Equation and Its Roots
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03:34
Graphs of Linear Inequalities
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01:16
Identifying the Instantaneous Speed of an Object at a Point on a Curve on a Displacement-Time Graph
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01:23
Multiplying Vectors by Scalars
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02:18
Multiplying Vectors by Scalars
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01:35
Multiplying Vectors by Scalars
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18:34
Pearson’s Correlation Coefficient
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03:09
Proving the Similarity of Two Triangles
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06:49
Solving Problems Involving Angles of Depression Using the Law of Sines
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02:47
Solving Problems Involving Parallel and Perpendicular Vectors in 2D
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03:19
Solving Quadratic Equations Using the Quadratic Formula
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03:37
Solving Quadratic Equations Using the Quadratic Formula
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03:14
Solving Quadratic Equations Using the Quadratic Formula
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03:17
Solving Simple Absolute Value Equations
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03:07
Understanding Cells- Tissues- and Organs
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03:31
Using the Operators of Vectors and Dot Product Between them to Find the Value of an Expression
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02:29
Adding Two Vectors Given in Component Form
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02:55
Applying Properties of Similarity
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03:41
Applying the Vector Product to Unit Vectors
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11:13
Bar Models: Numbers up to 10,000
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06:31
Calculating the Average Velocity of a Cyclist
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02:45
Calculating the Magnitude of the Vector Product of Two Vectors Given Their Lengths and the Angle between Them
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04:35
Calculating the Vector Product of Two Vectors Shown on a 3d Grid
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04:46
Calculating the Vector Product of Two Vectors Shown on a 3D Grid
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05:20
Calculating the Vector Product of Two Vectors Shown on a 3D Grid
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05:42
Calculating the Vector Product of Two Vectors Shown on a Grid
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03:50
Calculating the Vector Product of Two Vectors Shown on a Grid
