Instructional Video5:48
Curated Video

Using the Vertical Line Test

9th - 12th
In this video, the teacher explains how to use the vertical line test to determine if a graph represents a function or not. They go through four examples and also show how to find a missing value in a table to make it not a function. The...
Instructional Video12:25
Curated Video

Similar Figures, Angle-Angle Similarity and Indirect Measurement

9th - 12th
In this video lesson, we explore similar figures and indirect measurement in math. We learn about corresponding sides and angles, how to use similarity to solve problems, and even how to find the height of an object using indirect...
Instructional Video3:21
Curated Video

Identifying Patterns in a Scatter Plot

9th - 12th
In this video, the teacher explains how to identify patterns and associations in a scatter plot using a standardized math test question as an example. The viewer is guided through each answer choice and taught to recognize outliers,...
Instructional Video12:47
Curated Video

How to Solve a System of Linear Equations By Graphing

9th - 12th
In this video lesson, you will learn how to graph a system of linear equations and solve them by identifying the point of intersection. You will also learn how to check your solutions to ensure they are true for both equations in the...
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 Video9:52
Curated Video

Comparing Mean and Mean Absolute Deviation

9th - 12th
This video reviews a math test prep question on comparing mean and mean absolute deviation (MAD) using line plots to record the number of whales seen on morning and afternoon whale watch trips. The teacher explains how to find the mean...
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 Video4:09
Curated Video

How to Identify a Solution Set for Linear Inequalities

9th - 12th
This video teaches how to graph a system of linear inequalities to find a solution. The teacher explains how to graph each inequality and how to determine the overlapping area where both inequalities intersect.
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 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 Video3:42
Curated Video

Determining Equivalent Expressions Using Like Terms

9th - 12th
In this video, the teacher explains how to identify equivalent expressions using like terms while solving a standardized math test question. The focus is on combining like terms and simplifying the expression to find the answer choice...
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 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 Video2:47
Curated Video

Using Probability to Predict

9th - 12th
In this video, the teacher explains how to use probability to predict the number of times a numbered cube will land on A1 or A4 when rolled 400 times. The video provides step-by-step instructions on how to solve the problem.
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 Video1:45
Curated Video

Simplifying Powers

9th - 12th
In this short math video we will be simplifying powers to answer a standardized math test question. We will recognize that we are presented with a power multiplied by a power. I will introduce and review how to used the Product of Powers...
Instructional Video3:46
Curated Video

Rewrite an Expression to Represent Discount

9th - 12th
In this short math video we will rewrite an expression to represent discount. We will be presented with a real world situation involving discount. We will read and interpret a given algebraic expression that represents the discount of an...
Instructional Video4:15
Curated Video

Multiplying a Whole Number by a Fraction

9th - 12th
In this video, the teacher guides viewers through solving a real-world math problem involving multiplication of a whole number by a fraction. Using a table and a calculator, the problem is broken down step by step to find the number of...