How are the slopes of perpendicular lines related? It turns out they are always opposite reciprocals. A video instructor emphasizes this fact with graphs, examples, and symbolic representations. He follows that instruction with...

Y equals graphs are horizontal, but x equals graphs are vertical. Learners explore the connection between the graph and the equation of vertical lines while watching an instructional video. The presenter shows a set of ordered pairs...

Slope-intercept form is key to understanding linear relationships. Learners explore the relationship between the equation, graph, and key features of linear functions as they view a video lesson. They then complete practice problems to...

Steepness, gradient, and slope all refer to the same feature of a line. Young scholars watch and rewatch a video lesson to build a solid understanding of the relationship between the rise compared to the run of a line. Examples include...

Quick and to the point! A well-designed lesson describes how to write the equation of a linear function. Highlighting the slope and y-intercept, the video instructor explains how to put them together to create the equation in three...

Parallel lines must always have the same slope. Learners use this bit of information to extend their equation writing skills. A video lesson explains how to write the equation of a line parallel to a given line and through a given point....

Graphing horizontal and vertical lines often cause problems for learners. Provide a lesson with video instruction for them to watch and rewatch as they learn the concept. The instructor shows multiple examples of graphing linear...

Help mathematicians see lines from equations as they learn the patterns in the equations. An instructional video describes the steps to graphing a linear function. All equations begin in slope-intercept form and result in a line with...

Here's a lesson sure to get your heart beating! Scholars learn how to apply equations to solve problems by watching a short YouTube video. They substitute values into given linear and exponential equations to determine values for heart...

Unfortunately, most items lose value over time. The lesson presentation shows how to model this depreciation with a linear expression. After writing the expression, the instructor demonstrates how to use it to predict the time it takes...

Surprisingly, many real-life situations follow a linear pattern. For example, a home may appreciate at a constant rate each year as in the video lesson. The instructor models how to create a table, write an equation, and make a...

Your classes will be cashing in on this lesson! A well-designed lesson describes the steps of solving for the number of two different coin types given specific information. Although some may write equations using two variables, the...

Expressions or equations, how do you prefer to solve an application question with two unknowns? The lesson presenter demonstrates how to write expressions to find the number of both student and adult tickets sold. The method allows...

Strengthen equation-solving skills by creating equivalent equations. The video instructor explains how to use different operations to build equivalent equations. Beginning with x = -3, the example shows how to use the four different...

Do your scholars freeze when the variable disappears when solving an equation? Support their conceptual development of these types of equations using a video lesson. Young scholars replay the video as needed or rewind to re-watch...

Build equation-solving skills in your classroom with video lessons! The instructor demonstrates the steps to solving a multi-step equation with the distributive property as the first step. The final step results in a fractional solution,...

Create better equation solvers! The video presentation tackles solving an equation with variables on both sides with decimal coefficients. The instructor explains how to multiply by a constant to eliminate the decimals before continuing...

Learners build skills for writing and solving equations with a video that describes the process for writing expressions and then an equation to solve a problem. The problem asks for the number of nickels and dimes needed given a set of...

Turn expressions into equations with a statement of equality. Individuals view the step-by-step process of writing two expressions and then setting them equal to find a value that makes them equal. The equation has variables on both...

Define angles across from each other. An informative segment from a larger playlist on geometry introduces vertical angles and shows they have equal measures. Using their properties, the presenter solves problems involving vertical angles.

What do the graph of a line and its equation have in common? This is the first question the video poses to scholars as they begin watching the lesson. The instructor then explains how to use the graph to write the linear equation.

Analyze patterns in equations of parallel lines. Building on previous knowledge of parallel lines and writing linear equations, learners watch how to create an equation of a line parallel to a given line. The video emphasizes the...

Reinforce your young mathematicians' linear equation-writing skills. A video lesson does a nice job explaining the steps of writing the equation of a line when given two points. It begins by giving scholars a problem to try on their own...

Demonstrate how to write a linear equation knowing only two points that it passes through. A straightforward video lesson introduces the gradient (or slope) formula to begin writing the equation. Then, using substitution, viewers find...