Instructional Video6:30
Curated Video

How to Interpret a Graph

9th - 12th
In this video, a math teacher demonstrates how to interpret a graph and answer standardized math test questions. The teacher covers topics such as finding the distance a car traveled in a certain amount of time, calculating the average...
Instructional Video2:48
Curated Video

Is it a Function? Determining Unique Outputs

9th - 12th
In this math lesson, the teacher discusses the concept of a function and uses a table to demonstrate how adding an ordered pair can affect whether or not the relationship between X and Y is a function. The viewer is asked to determine if...
Instructional Video1:42
Curated Video

Finding Slope Between Two Points Challenge Day #4

9th - 12th
This video will review/introduce the concept of finding slope between two points. This is the fourth of five videos, a 5 day challenge, to build proficiency finding the slope of a line using two points. We will use the formula and...
Instructional Video2:18
Curated Video

How to Write the Equation of a Line

9th - 12th
In this video, the teacher explains how to write the equation of a line using slope intercept form. They provide step-by-step instructions on how to identify the slope and Y intercept of a line using given information, such as a point...
Instructional Video3:30
Curated Video

Finding Slope and Y-Intercept from a Table of Values

9th - 12th
In this video, the teacher explains how to identify the slope and Y intercept of a linear function from a table of values, using a standardized math test question as an example. The teacher walks through the steps of finding the slope...
Instructional Video6:00
Curated Video

Solving Systems of Linear Equations Using Elimination

K - 5th
In this video, the teacher explains how to solve systems of linear equations using the method of elimination. They provide examples and explain the concept of preserving equality when multiplying and adding equations. The video also...
Instructional Video7:13
Curated Video

Solving Linear and Quadratic Systems Using Substitution

K - 5th
In this video, the teacher explains how to solve systems of equations that include both linear and quadratic equations using the method of substitution. The teacher provides examples and explains the different types of solutions that can...
Instructional Video3:56
Curated Video

Adding Equations in a System: Commonalities in Tables and Graphs

K - 5th
In this lesson, students will learn what happens when equations in a system are added together. By observing tables of values and graphs, they will understand that adding two linear equations creates a new system with the same solution...
Instructional Video4:28
Curated Video

Interpreting Solutions to Equations and Inequalities

K - 5th
In this video lesson, students will learn how to interpret solutions to equations and inequalities. They will understand the meaning of the equal sign and how it represents the same value on both sides of the equation. They will also...
Instructional Video5:36
Curated Video

Understanding the Influence of Multiplying Equations by Constants on Graphs

K - 5th
In this video, the teacher explains how multiplying an equation by a constant affects the equation and its graph. They define constants and variables, and show how multiplying every term in an equation by a constant produces an...
Instructional Video3:13
Curated Video

Reflecting Points on a Coordinate Plane

K - 5th
In this video, students learn how to reflect a point on a coordinate plane by changing its values in an ordered pair. They are introduced to the concept of quadrants and the unique positioning system (UPS) associated with each quadrant.
Instructional Video6:39
Curated Video

Estimating Solutions of Systems of Equations by Graphing

K - 5th
In this lesson, students will learn how to estimate the solution of a system of equations by graphing. They will review the concept of intercepts and how to find them. By graphing the equations and identifying the point of intersection,...
Instructional Video3:38
Curated Video

Identifying Functions by Analyzing Graphs

K - 5th
In this video, you will learn how to determine if a graph represents a function. The teacher explains the importance of correctly plotting the input and output values on a coordinate grid and emphasizes that every input must have exactly...
Instructional Video4:53
Curated Video

Finding Perimeter and Area Using Ordered Pairs

K - 5th
In this video lesson, students learn how to find the length of sides using ordered pairs and use that information to calculate the perimeter and area of a shape. The teacher explains the relationship between the X and Y axes, and guides...
Instructional Video4:56
Curated Video

Graphing Points in Any Quadrant

K - 5th
In this video, the teacher explains how to graph points on a coordinate plane in different quadrants. They review the x and y axes, the origin, and the concept of ordered pairs. The teacher demonstrates how to plot points in each...
Instructional Video2:55
Curated Video

Determining Unknown Ordered Pairs

K - 5th
In this video, the teacher explains how to determine the location of an unknown ordered pair by using characteristics of polygons. They review the X and Y axes and the importance of understanding the rotation along each axis. The teacher...
Instructional Video4:36
Curated Video

Naming Ordered Pairs in Exponential Functions

K - 5th
In this lesson, students will learn how to identify an ordered pair belonging to the same exponential function as two given ordered pairs. By understanding that exponential functions grow by equal factors on equal intervals, students can...
Instructional Video4:41
Curated Video

Interpreting Relationships with Line Graphs on a Coordinate Plane

K - 5th
In this video, students learn how to use a line graph to understand relationships between numbers. They are taught to create ordered pairs on a coordinate plane based on corresponding terms, and then connect those points to form a line...
Instructional Video5:04
Curated Video

Introduction to Writing Coordinate Pairs on the Coordinate Plane

K - 5th
In this video, students learn how to write coordinate pairs for points on a coordinate plane. The teacher explains the process of moving along the X and Y axes to determine the X and Y values of each point. The video also highlights...
Instructional Video3:49
Curated Video

Understanding Quadrants and Coordinate Planes

K - 5th
In this video, students learn about quadrants and how they relate to coordinate planes. The video explains how to determine the quadrant of a point by examining the values of an ordered pair. It also introduces the concept of UPS (Unique...
Instructional Video8:46
Why U

Algebra 09 - Cartesian Products, Ordered Pairs and triples

12th - Higher Ed
Cartesian products can create sets of ordered pairs which correspond to points in 2-dimensional space, or ordered triples which correspond to points in 3-dimensional space. These sets form the logical foundation of the Cartesian...
Instructional Video4:29
Curated Video

Approximating the Intersection of Two Lines

K - 5th
In this video, the teacher explains how to determine if a point is a solution to multiple equations and how to approximate the X coordinate of the intersection of two lines by observing their graphs. The teacher emphasizes the importance...
Instructional Video6:17
Curated Video

Graphing Quadratic Functions and Understanding Complex Roots

K - 5th
In this video, the teacher explains the graphical meaning of real and complex roots in quadratic functions. They review function notation and the steps to graph a quadratic function. They also explain how to use the discriminant to...
Instructional Video3:44