Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Order of Operations 1
This video explains the order of operations with exponents and negative numbers. Practice problems are available. [4:36]
Khan Academy
Khan Academy: Linear Algebra: Rotation in R3 Around the X Axis
Video shows how to write a transformation matrix in R^3 that rotates a vector around the x-axis. Compares the rotation matrix in R^3 to the rotation matrix in R^2 found in the previous video and discusses how it could be applied for more...
Khan Academy
Khan Academy: Geometry: Cylinder Volume and Surface Area
Explains how to calculate surface area and volume of a cylinder. Practice problems available. [8:07]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Deductive Reasoning
Demonstrates solutions to problems #1-3 of California Geometry released state test questions. Problems address understanding of deductive reasoning and congruent angles created by parallel lines cut by a transversal. [10:17]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Multiplication 6: Multiple Digit
Learn how to multiply multi-digit numbers by watching a video showing several examples. Practice problems are available. [10:27]
Khan Academy
Khan Academy: Algebra: Average or Central Tendency:arithmetic Mean, Median, Mode
Video explains the different measures of center: arithmetic mean, median, and mode. Gives examples of finding each measure of central tendency and discusses the effect of outliers on each. Includes a link to additional practice problems....
Khan Academy
Khan Academy: Algebra: Comparing Absolute Values
A video explaining what the absolute value of an integer is and comparing absolute values with each other. Practice problems available. [4:07]
Khan Academy
Khan Academy: Algebra: U02 L2 T2 We1 Absolute Value equations.avi
A step-by-step demonstration on how to solve an equation with an absolute value and a solution equal to zero. [1:47]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Number as Decimal, Percent, Fraction 2
This video explains how to represent a fraction as a decimal and as a percent. Practice problems are available. [5:25]
Khan Academy
Khan Academy: Trigonometry: Inverse Trig Functions: Arctan
Video introduces the arctangent function. Includes an example of finding the arctangent using knowledge of the unit circle. Includes link to additional practice problems. [10:06]
Khan Academy
Khan Academy: Algebra: Polynomials 2
Demonstrates how to write a polynomial expression for a given situation. [1:24]
Khan Academy
Khan Academy: Algebra: Application Problems With Equation in One Variable
A video that demonstrates how to solve a perimeter word problem only in terms of width. A diagram is drawn to help explain the equation used. [2:01]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Place Value 3
Learn how to write a five-digit whole number in expanded form by watching a video. Practice problems are available. [5:20]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Subtraction 2
This video provides an overview of subtraction. Practice problems are available. [12:32]
Khan Academy
Khan Academy: Algebra: Slope and Rate of Change
This video demonstrates how to find the slope of a line given the graph of the line. The video goes through four different examples. [13:42]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Identifying Percent Amount and Base
This video shows how to identify the percent amount and base in a word problem. Practice problems are available. [2:32]
Khan Academy
Khan Academy: Algebra: Product of Functions
Video finding the product of a linear function and a cubic function by using the distributive property. [3:00]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Place Value 1
This video teaches place value to the thousands. Practice problems are available. [2:25]
Khan Academy
Khan Academy: Geometry: Median Centroid Right Triangle Example
This video tutorial [9:00]explains how to find various measures of triangles formed by the medians of a right triangle. Based on the properties of the medians of a triangle, properties of centroids, and the Pythagorean theorem.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Exponent Rules Part 1
This video introduces the student to the laws of exponents. Practice problems are available. [9:43]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Exponent Rules Part 1
Video introduces the student to the laws of exponents. Link to practice problems. [9:43]
Khan Academy
Khan Academy: Review of Triangle Properties
Provides a review of perpendicular bisectors, angle bisectors, medians, and altitudes and the special points of concurrency formed by these parts of a triangle. The points of concurrency are the circumcenter, incenter, centroid,and...
Khan Academy
Khan Academy: Algebra: Stem and Leaf Plots
Video gives example of creating stem-and-leaf plots for data. Includes link to additional problems. [6:45]
Khan Academy
Khan Academy: Algebra: Factoring Perfect Square Trinomials
Video demonstrates how to recognize and factor perfect square trinomials. [4:54]