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Curated Video
Solving Systems of Linear Equations Using Substitution
This video teaches algebra one students how to solve systems of linear equations using substitution. The teacher explains step-by-step instructions and models examples for the viewer to follow along and practice with.
Curated Video
Volume of a Sphere
In this video lesson we will learn how to find the volume of a sphere. We will learn that the volume of a sphere is two-thirds the volume of a cylinder with the same radius and height. We will learn how to use the formula to find the...
Curated Video
Converse of the Pythagorean Theorem and Triangle Inequality Theorem
In this video, the teacher explains how to use the triangle inequality theorem to determine if three side measurements can form a triangle. They also teach how to use the converse of the Pythagorean theorem to determine if a triangle is...
Curated Video
Solving Equations Using Multiplication or Division
In this video lesson we will review the parts of an equation including the coefficient, variable expression and numerical expression. We will also learn that multiplication and division are inverse operations that undo each other. We...
Curated Video
Graphing Linear Functions in Slope-Intercept Form
In this video, we learn how to graph linear functions in slope intercept form. The teacher explains how to find the slope, y-intercept, and x-intercept of a line, and provides examples of how to graph a line using function notation and a...
Curated Video
Finding the Surface Area of Prisms & Pyramids
This video is a math lesson on finding the surface area of prisms and pyramids. The teacher explains the concepts of three-dimensional solids, identifies the different types of prisms and pyramids, and provides strategies for finding...
Curated Video
How to Identify a Linear Function
In this short video we will answer a standardized math test prep question where we are asked to identify a linear function. We will learn that a linear function must have a variable with an exponent of 1. If a variable in an equation...
Curated Video
Function Notation
In this video lesson we will learn how to evaluate functions using function notation , as well as, how to interpret function notation. We will learn that function notation is a way to name functions to help us differentiate one function...
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Identify an Irrational Number on a Number Line
In this short video we will answer a standardized math test question where we are asked to identify an irrational number on a number line. We will first write each numerical value on the number line with a equivalent square root value. ...
Curated Video
Triangle Inequality Theorem: Determining if Angles and Side Measures Form a Triangle
This video teaches students how to determine whether given angle measures or side measurements will form a triangle using the Triangle Inequality Theorem and the Converse of the Triangle Sum Theorem. The teacher walks through examples...
Curated Video
Ratios, Rates, and Unit Rates
During this video lesson we will learn the three ways to write a ratio. We will learn how to determine a rate and a unit rate. We will also learn how to simplify a complex rate to find the unit rate. We will also complete ratio tables...
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Linear vs. Nonlinear Functions
In this video lesson, we will learn how to determine if a graph, table of values, or an equation represents a linear or nonlinear function. We will look at a graph for a nonvertical line to determine it is linear. We will look for a...
Curated Video
Representing Linear Functions with Graphs: Discrete vs Continuous Domains
In this video, the teacher explains how to represent linear functions with graphs using discrete and continuous data. They also discuss how to determine if a data set is discrete or continuous and provide real-life examples to illustrate...
Curated Video
Understanding Rational and Irrational Numbers: Converting, Ordering, and Simplifying
This video teaches the concept of rational numbers, including classification into sets like integers and whole numbers, conversion between fractions and decimals, and ordering on a number line. It also covers irrational numbers,...
Curated Video
Identify an Equivalent Expression
In this short video we will answer a standardized math test question where we are asked to identify an equivalent expression. We will review like terms - variable terms and constant terms. We will discuss that you cannot add a variable...
Curated Video
Determining Linear and Nonlinear Functions
In this video, the teacher focuses on teaching students how to identify linear and nonlinear functions from tables, equations, and graphs. The teacher explains the characteristics of linear and nonlinear functions and provides examples...
Curated Video
Graphing Systems of Linear Inequalities
This video lesson teaches how to graph a system of linear inequalities. You will learn how to combine the skills of graphing linear inequalities and graphing linear systems together to correctly graph a system of linear inequalities. I...
Curated Video
Using Distributive Property to Find Equivalent Expressions
This video demonstrates how to solve a standardized math test question using the distributive property. The teacher explains how to identify equivalent expressions and walks through the process of distributing the factor and simplifying...
Curated Video
Slope and Rise Over Run
In this video lesson on slope, the teacher explains how to find the slope of a line using a graph, points, and a table of values. The teacher uses real-world examples, such as ski slopes, to help students understand the concept of slope...
Curated Video
Identifying Slope and Y-Intercept of a Linear Function from a Table
In this video, the teacher explains how to identify the slope and Y intercept of a linear function from a table. They walk through the process step-by-step, showing how to find the constant rate of change and the point where the function...
Curated Video
Real World Systems of Linear Equations
In this short math video we will solve a standardized math test question where we are asked to write and solve a real world system of linear equations. We will write two equations to model the given real world situation. We will...
Curated Video
Finding Unit Rates from a Graph of a Proportional Relationship
This video lesson will provide instruction for students to learn how to find a rate from the graph of a proportional relationship. Students will be instructed how to interpret a point on a graph and use this to find the unit rate. We...
Curated Video
Introduction to Probability: Understanding, Finding, and Describing Probability
In this video, the teacher explains the concept of probability and how to find the probability of events using ratios. They also discuss the relationship between probability and likelihood, and provide examples of events with different...
Curated Video
Using Sample Spaces to Find Compound Probability
This video lesson teaches how to use sample spaces to find compound probability. The teacher uses examples such as rolling two dice, flipping coins, and different modes of transportation to school to demonstrate how to create sample...