Instructional Video4:39
Curated Video

Using Math to Solve Billiards Angle Problems

K - 5th
This video lesson teaches students how to use math to solve problems in billiards by applying angle relationships. It demonstrates how to write and solve equations to determine the angle of departure when a pool ball hits the side of the...
Instructional Video3:56
Curated Video

How to Write Equations Using Vertical Angles

K - 5th
This video is a math lesson about how to write equations to solve vertical angle problems. The instructor explains what vertical angles are and how to identify them, and provides examples of how to write equations using the information...
Instructional Video16:30
Curated Video

Using Point-Slope Form to Write the Equation of a Line

9th - 12th
In this video, the teacher explains how to write equations of lines in point slope form using a given point and slope or two given points. The video also covers how point slope form relates to slope and how to convert point slope form to...
Instructional Video12:17
Curated Video

Writing Equations in Slope-Intercept Form

9th - 12th
In this video lesson we will learn how to write an equation of a line in slope-intercept form. We will learn how to identify the slope and y-intercept of the graph of a line. We will review how to find the slope of a line using two...
Instructional Video4:54
Curated Video

Writing Equations for Proportional Relationships: Finding Percent Change

K - 5th
Learn how to write an equation that represents the proportional relationship between the original amount and the final amount. Using the example of a bike's price changing from December to June, the teacher demonstrates how to find the...
Instructional Video5:07
Curated Video

Writing Equations for Right Triangles using the Pythagorean Theorem

K - 5th
This is a tutorial video on how to write equations to solve for the unknown or missing side lengths of right triangles. The video explains the Pythagorean Theorem and the properties of right triangles, such as legs, hypotenuse, and the...
Instructional Video4:06
Curated Video

Identifying and Writing Equations of Parallel Lines

K - 5th
In this lesson, students learn how to identify and write equations of parallel lines by analyzing their slopes and y-intercepts. The video explains the concept using examples and demonstrates how parallel lines have the same slope but...
Instructional Video3:59
Curated Video

Identifying and Writing Equations of Perpendicular Lines

K - 5th
In this video, mathematicians learn how to identify and write equations of perpendicular lines by analyzing their slopes and y-intercepts. The video explains the concept using examples and demonstrates how to determine if two lines are...
Instructional Video
Khan Academy

Khan Academy: Representing a Relationship With a Simple Equation

5th - 9th Standards
Students explore why we can represent the unknown mass problem as a simple equation.
Instructional Video
Sophia Learning

Sophia: Writing Equations From Verbal Information

6th - 8th
Students watch a video lesson that demonstrates how to write an equation using only verbal information. The tutorial includes detailed examples.
Instructional Video
Khan Academy

Khan Academy: Basic Linear Equation Word Problems

6th - 8th Standards
In this video lesson students learn to translate a word problem into a linear equation and then solve it using inverse operations.
Instructional Video
Sophia Learning

Sophia: Writing Equations From Graphical Information

9th - 10th Standards
This lesson demonstrates how to write an equation from graphical information.