Instructional Video6:54
Curated Video

How to Find Angles Formed by Parallel Lines and a Transversal

9th - 12th
In this video, the teacher explains how to find the measures of angles formed by parallel lines and a transversal. They use the properties of supplementary angles, alternate interior angles, and the triangle sum theorem to solve for the...
Instructional Video3:44
Curated Video

How to Choose the Most Random Survey

9th - 12th
In this video, the teacher explains how to choose the best random survey to determine the average number of items bought by shoppers in a grocery store's express checkout lane between 5:00 PM and 7:00 PM. The teacher walks through four...
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 Video1:54
Curated Video

Finding Slope Between Two Points Challenge Day #3

9th - 12th
This video will review/introduce the concept of finding slope between two points. This is the third 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 Video4:55
Curated Video

Transformations: Congruent or Similar Images

9th - 12th
In this video, the teacher explains the four types of transformations in math - translation, reflection, rotation, and dilation. They then use a given problem to demonstrate how to identify a transformation that would result in a similar...
Instructional Video4:15
Curated Video

Identifying Slope and Y-Intercept from a Table

9th - 12th
In this video, the teacher explains how to identify the slope and Y intercept of a linear function from a table using a standardized math test question as an example. They demonstrate how to find the slope and Y intercept by analyzing...
Instructional Video5:42
Curated Video

How to Interpret and Evaluate a Real World Function

9th - 12th
In this video, the teacher explains how to interpret and evaluate a real-world function using a gift card as an example. The video covers finding the original value of the gift card, the amount spent each day, the remaining value after a...
Instructional Video3:30
Curated Video

How to Find Theoretical Probability

9th - 12th
In this short video we will discuss how to find theoretical probability. Given a container of 1000 balls and the specific number of each color ball in the container, we will determine the probability of drawing a specific color. We will...
Instructional Video8:51
Curated Video

Finding Discount and Tax

9th - 12th
In this video, the teacher explains how to calculate the final cost of an item on sale with a discount and tax, both in a physical store and online. Two different methods are presented for each scenario.
Instructional Video3:38
Curated Video

Write an Equation for a Table

9th - 12th
In this video we will write an equation for a table of values to solve a math test problem. We will begin by reviewing the information provided and understanding the table of values. We will interpret the relationship by discovering what...
Instructional Video5:59
Curated Video

Using Angle Facts

9th - 12th
In this video, the teacher uses angle facts to solve math problems. The students are given a diagram with intersecting lines and angles, and they are asked to write algebraic equations to find the values of X and Y. The teacher walks...
Instructional Video4:42
Curated Video

Use Pythagorean Theorem to Create an Equation

9th - 12th
In this video, the Pythagorean Theorem is explained and applied to solve a real-world problem involving a ladder leaning against a building. The viewer is guided through the process of creating an equation using the given measurements...
Instructional Video3:06
Curated Video

Identifying Linear and Nonlinear Equations

9th - 12th
In this video, the teacher explains how to determine whether an equation is linear or nonlinear by identifying the exponent of the variable. The teacher provides five equations and asks the viewer to determine which ones are linear and...
Instructional Video2:18
Curated Video

Identify the Equations that are Linear Functions

9th - 12th
In this short math video we will be presented with 5 equations and asked to identify the equations that are linear functions. We will understand that a linear function must be able to be written in the form y=mx+b. We will also...
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 Video3:18
Curated Video

How to Solve an Equation with Parentheses

9th - 12th
In this video, the teacher demonstrates how to solve a multi-step equation using the distributive property. The problem involves finding the value of X that makes the equation true, and the teacher walks through each step of the process,...
Instructional Video3:27
Curated Video

How to Rearrange a Formula

9th - 12th
In this video, the teacher explains how to rearrange formulas to solve for different variables. They use the example of finding the height and radius of a cylinder given its volume, radius, and height. The teacher breaks down the steps...
Instructional Video4:42
Curated Video

How to Make an Inference from Data

9th - 12th
In this video, the teacher guides the viewer through solving a standardized math test question that requires making an inference from data. The question involves estimating the number of people in a city who own a car based on a random...
Instructional Video2:21
Curated Video

Finding Slope Between Two Points Challenge Day #5

9th - 12th
This video will review/introduce the concept of finding slope between two points. This is the fifth and last of five videos, a 5 day challenge, to build proficiency finding the slope of a line using two points. We will use the formula...
Instructional Video2:31
Curated Video

Find the Volume of a Cylindrical Candle

9th - 12th
In this video, the teacher demonstrates how to find the volume of a cylindrical candle using the formula V = πr^2 * h. The problem is broken down step-by-step.
Instructional Video1:32
Curated Video

Distribute to Simplify an Expression

9th - 12th
In this video, the teacher explains how to identify a linear function by reviewing the definition and analyzing four different graphs.
Instructional Video4:19
Curated Video

Angles formed by Parallel Lines and a Transversal

9th - 12th
In this video, the teacher explains angle facts using the concepts of alternate interior angles and supplementary angles in the context of parallel lines and a transversal. The teacher reviews four algebraic expressions representing...
Instructional Video1:53
Curated Video

Finding Slope Between Two Points Challenge Day #2

9th - 12th
This video will review/introduce the concept of finding slope between two points. This is the second 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...