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Curated Video
Finding the Number of Solutions to Linear Equations: Using Tables and Graphs
In this video, the teacher explains how to determine the number of solutions to a pair of linear equations using tables and graphs. The students are shown examples and taught to analyze the differences in values and the intersections of...
Curated Video
Analyzing Solutions: Linear and Quadratic Systems on Graphs
In this lesson, students will learn about linear and quadratic systems of equations by inspecting graphs. They will understand that a system of equations is a set of two or more equations with the same set of unknown values.
Curated Video
Solving Systems of Linear Equations by Substitution
In this lesson, students will learn how to solve a system of linear equations by substitution. They will understand how to replace one variable with another in order to simplify the equations and find the values of the variables.
Curated Video
Solving Systems of Linear Equations Using the Addition Elimination Method
In this video, the teacher explains how to solve a system of linear equations using the addition elimination method. They demonstrate the process step by step and provide examples to illustrate the concept. By following this method,...
Curated Video
Drawing Parallel and Perpendicular Lines
In this video, students will learn the difference between parallel and perpendicular lines and how to identify them. Students will also learn how to determine if lines are perpendicular by looking for right angles or square corners at...
Curated Video
Plotting Points on a Coordinate Plane: Understanding X and Y Axis Coordinates
In this lesson, students will learn how to accurately describe the location of places in a city using a coordinate plane. By moving on the X and Y axes, students can plot points that represent the distance and direction of various...
Curated Video
Classifying and Comparing Quadrilaterals
In this video, students will learn that quadrilaterals with two pairs of parallel sides are called parallelograms, while those with only one pair of parallel sides are called trapezoids. The video also introduces a special type of...
Virtual Nerd
How Do You Find the Intersection of Percent Data by Using a Venn Diagram?
When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...
Curated OER
What are Skew Lines?
Skew lines? What? By definition, skew lines are lines on different planes that never intersect. Watch this video and get an explanation along with a visual diagram.
Curated OER
What are Parallel Lines?
Parallel lines never intersect. That's right, NEVER! They are in the same plane but never touch. The instructor illustrates many types of lines and shows you how parallel lines don't ever cross.
Curated OER
What is a Transversal?
There are two parallel lines intersected by one straight line, what's that one line called? A transversal. There are a few more things to know about transversal lines and the angles they create. What are vertical angles? Are they...