Instructional Video
Khan Academy

Khan Academy: Algebra: Graphing Using Intercepts

9th - 10th
This video demonstrates how to graph 4 different equations by finding the x and y intercepts of each equation and then graphing those points to form the four different lines. This video is also found in the strand Algebra: ck12.org. [12:18]
Instructional Video
Khan Academy

Khan Academy: Algebra: Equations and Inequalities

9th - 10th Standards
Video demonstrating how to write and solve equations and inequalities from real-world situations. Also included are examples of testing solutions to inequalities. This video is also found in the strand Algebra: ck12.org. [16:11]
Instructional Video
Khan Academy

Khan Academy: Algebra: Box and Whisker Plot

9th - 10th Standards
Video demonstrates how to create a box-and-whisker plot from a set of data. [13:14]
Instructional Video
Khan Academy

Khan Academy: Algebra: Linear Equations in Point Slope Form

9th - 10th
This video gives several examples of how to write a linear equation in point-slope form given two points on the line. This video is also found in the strand Algebra: ck12.org. [9:38]
Instructional Video
Khan Academy

Khan Academy: Algebra: Word Problem Solving 4

9th - 10th
This video demonstrates how to solve two different word problems that involve linear relationships. In order to solve the problem an equation must be written and then the video demonstrates how to solve for a particular variable in the...
Instructional Video
Khan Academy

Khan Academy: Algebra: Direct Variation Models

9th - 10th
This video demonstrates how to create a direct variation model, or a linear equation, given a word problem that deals with rate of change. It also shows how to solve the equation and graph the direct variation model. Practice problems...
Instructional Video
Khan Academy

Khan Academy: Algebra: Compound Inequalities

9th - 10th
Video demonstrates step-by-step how to solve and graph a compound inequality with a solution set that satisfies both constraints. Practice problems available. This video is also found in the strand Algebra: ck12.org. [11:45]
Instructional Video
Khan Academy

Khan Academy: Algebra: Multi Step Equations

9th - 10th
This video demonstrates how to solve multi-step equations. There are two sample problems where an equation is given and a third word problem that requires an equation to be written and solved. [15:01]
Instructional Video
Khan Academy

Khan Academy: Algebra: Pythagorean Theorem

9th - 10th
This video tutorial [13:03] explains that the Pythagorean theorem can only be used on right triangles and explains how it is used. Gives several examples using the Pythagorean theorem to find the unknown side of a right triangle....
Instructional Video
Khan Academy

Khan Academy: Algebra: Inequalities Using Multiplication and Division

9th - 10th Standards
Video demonstrates through several examples how to solve inequalities using multiplication and division of positive and negative numbers. Practice problems available. This video is also found in the strand Algebra: ck12.org. [10:27]
Instructional Video
Khan Academy

Khan Academy: Algebra: Two Step Equations

9th - 10th
A video that demonstrates how to solve multi-step equations. There are four different examples that use a combination of fractions, decimals, and integers. This video is also found in the strand Algebra: ck12.org. [13:50]
Instructional Video
Khan Academy

Khan Academy: Algebra: Inequalities Using Addition and Subtraction

9th - 10th Standards
Video shows how to solve and graph inequalities using subtraction or addition. Practice problems available. This video is also found in the strand Algebra: ck12.org. [7:48]
Instructional Video
Khan Academy

Khan Academy: Algebra: Percent Problems

9th - 10th
This video works through examples on how to convert a fraction to a percent and a percent to a fraction. Then, it applies this knowledge by demonstrating how to solve algebraic percent problems. Practice problems available. This video is...
Instructional Video
Khan Academy

Khan Academy: Algebra: Word Problem Solving 3

9th - 10th
A video that demonstrates how to write and solve equations for several different types of algebraic word problems. This is another percent example. This video is also found in the strand Algebra: ck12.org. [11:06]
Instructional Video
Khan Academy

Khan Academy: Algebra: Graphs Using Slope Intercept Form

9th - 10th Standards
This video demonstrates how to find the equation of a line in slope-intercept form given the graph of the line. There are three examples. Practice problems available. This video is also found in the strand Algebra: ck12.org. [11:11]
Instructional Video
Khan Academy

Khan Academy: Algebra: Multiplying and Dividing Rational Expressions

9th - 10th Standards
Video shows examples of multiplying and dividing rational expressions. Includes adding restrictions to the simplified answer. [9:19]
Instructional Video
Khan Academy

Khan Academy: Algebra: Ratio and Proportion

9th - 10th Standards
Step-by-step instructions on how to solve ratio and proportion word problems. This video is also found in the strand Algebra: ck12.org. [10:25]
Instructional Video
Khan Academy

Khan Academy: Algebra: Simplifying Rational Expressions Introduction

9th - 10th Standards
Video shows examples of how to simplify rational expressions. Includes writing restrictions for simplified expressions. [15:22]
Instructional Video
Khan Academy

Khan Academy: Algebra: Midpoint Formula

9th - 10th Standards
This video demonstrates how to find the coordinate of the midpoint between two points on a coordinate plane by taking the mean of the x values and the mean of the y values. Practice problems available. This video is also found in the...
Instructional Video
Khan Academy

Khan Academy: Algebra: Average or Central Tendency:arithmetic Mean, Median, Mode

9th - 10th Standards
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....
Instructional Video
Khan Academy

Khan Academy: Algebra: Adding and Subtracting Rational Expressions Example 3

9th - 10th Standards
Video shows example of adding and subtracting rational expressions by creating a common denominator. [4:37]
Instructional Video
Khan Academy

Khan Academy: Algebra: Slope and Rate of Change

9th - 10th
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]
Instructional Video
Khan Academy

Khan Academy: Algebra: Stem and Leaf Plots

9th - 10th
Video gives example of creating stem-and-leaf plots for data. Includes link to additional problems. [6:45]
Instructional Video
Khan Academy

Khan Academy: Algebra: Distance Formula

9th - 10th Standards
This video demonstrates how to find the distance between any two points on a the coordinate plane. It shows how the distance formula was derived using the Pythagorean theorem. Practice problems avaialble. This video is also found in the...