National Education Association
Interpret the Rate of Change/Slope and Intercepts within the Context of Everyday Life
Rates of change can be a slippery slope. The resource makes the connection between the rate of change and the slope of a line. It continues on to provide examples of how to interpret the slope and the y-intercepts of linear equations...
National Education Association
Rates and Proportions
Clarify complex math concepts with a helpful video. Learners view ways to work with ratios and proportions while discussing vocabulary and notation. After solving proportions, they apply the new strategy to word problems.
National Education Association
Interpret The Rate of Change (Slope) and Intercepts Within The Context of Everyday Life
I'll do algebra, but graphing is where I draw the line! Video explains how to find the slope of a line when starting with word problems. It includes positive and negative slopes as well as how to identify intercepts.
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
National Education Association
Use Coordinate Geometry to Represent and/or Solve Problems
A geometry video explains how to solve for midpoint, length of a line, and use the Pythagorean Theorem. It includes multiple guided practice problems for all three equations.
National Education Association
Know and/or Use Function Notation, Including Evaluating Functions for Given Values in Their Domain
Introduce the basics of evaluating a function using function notation with a video that makes connections between evaluating a function and substituting into an expression. The short presentation works through three examples of...
National Education Association
Perpendicular and Parallel Lines
Provide the definitions of parallel and perpendicular lines, as well as the relationships between their slopes. Two examples explain the process of finding the equation of either a perpendicular or parallel line to another line through a...
National Education Association
Using Measures of Central Tendency
Is it better to be average or an outlier? It all depends on your perspective! The video explains the impact an outlier has on central tendency. Using multiple examples to solve for mean, median, and mode, the video proves that having an...
National Education Association
Simplify Expressions by Factoring
Got that factoring thing down? Time to apply it! A helpful video explains the process of simplifying a rational expression, showing pupils how to factor a majority of expressions using special patterns. Here is a great way to begin...
National Education Association
Solving Absolute Value Inequalities
You know how to find absolute values and you know how to solve inequalities — but what happens when these two concepts are in the same problem? A YouTube video first reviews absolute values and moves on to solving absolute value...
Curated OER
Solving Equations
A mathematics video explains the parts of an equation and reviewing relevant vocabulary. Next, it covers one-, two-, and multi-step equations. It includes a few example problems for each type as well.
National Education Association
Solve Linear Formulas and Literal Equations for a Specified Variable
Mathematics is not a spectator sport. A video explains how to identify literal equations and why pupils will need to use them. It goes on to describe how to solve for a specified variable.
National Education Association
Identifying Variables: Independent and Dependent
Why did the variable add its opposite? To get to the other side. A video introduces the concept of variables. It compares and contrasts independent and dependent variables in a variety of problems.
National Education Association
Independent and Dependent Variable
Introduce learners to independent and dependent variables with an informative video.The two variables are defined via inputs and outputs. It makes clear that the independent variable is the one that the person has control over,...
National Education Association
Identify Independent Variable and Dependent Variable on Various Representational Modes
The representation of a relationship really depends. The difference between dependent and independent variables is the focus of a short video that also includes examples of determining the types of variables. The presenter makes the...
National Education Association
Function Notation
Function, function, what is your notation. Introduce your class to function notation with a video that shows examples of how to evaluate functions at numerical values along with algebraic values. The last example shows pupils...
National Education Association
Determining Domain and Range
Introduce the concept of domain and range with a video that starts with the formal definitions of the domain and range and moves on to the practical descriptions used to determine them. The presentation explains how to find the domain...
Curated OER
Find Zeros of a Function Given the Graph
Introduce zeros of a function and their relationship to the graph of the function. an informative video uses the definition of a zero to help identify them on a graph and provides several examples of finding the zeros of a...
National Education Association
Determine Minimum, Maximum, Vertex, and Zeros Given the Graph
Do not always be maxed out by the vertex. A short video introduces the graphical display of the vertex and zeros of a quadratic function. The presenter provides the definitions of the minimum and maximum of the graph along with...
National Education Association
Writing Linear Equations
No matter how it is written, it still is a line. A video shows class members how to take points and write the equation of the line that goes through those points. It then outlines how to develop the equation whether...
National Education Association
Scatter Plots
What's my line, anyway? A video covers the aspects of finding an equation of the best-fit line for a set of data. It works through plotting the points to drawing a line that appears to represent the data. The presenter suggests finding...
National Education Association
Inappropriate Data Usage
Correlate the responses to identify the cause. A resource presents how individuals sometimes confuse the issue between correlation and causation. The video provides examples of different variables that are correlated — but one does...
National Education Association
Solve and Graph Simple Absolute Value Equations and Inequalities
What is the best method to overcome negativity? Remember your absolute value! An informative video starts with an explanation of what absolute value is and its connection to measurement. It goes on to solve sample problems to help...
Curated OER
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...