Instructional Video3:09
Curated Video

Writing a Scale Ratio

9th - 12th
In this short math video we will answer a standardized math test question by writing a scale ratio. We will understand that a scale is written as a ratio of the scale drawing to the actual real world object. We will identify the length...
Instructional Video3:51
Curated Video

Understanding Reflections in the Y-Axis

9th - 12th
In this video, a math teacher demonstrates how to solve a standardized test math question involving reflections over the Y axis. The teacher explains the concept and provides step-by-step instructions for finding the image of a point...
Instructional Video5:28
Curated Video

Understanding Functions and the Vertical Line Test

9th - 12th
In this math video, the teacher explains the concept of functions and demonstrates how to determine if a graph is a function using the vertical line test. The teacher also shows how to identify a non-function in a table of values by...
Instructional Video8:11
Curated Video

Angles of Triangles and Similarity

9th - 12th
In this video, the teacher reviews how to find angles in triangles using the triangle angle sum theorem. The teacher walks through four parts of a standardized math test question, showing step-by-step how to find missing angle...
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 Video12:08
Curated Video

Types of Relationships in Scatter Plots

9th - 12th
In this video lesson, the teacher explains scatter plots and how they are used to show the relationship between two sets of data. They cover different types of relationships, including linear and nonlinear, and how to interpret the data...
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 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 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 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 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...