New ReviewA short video shows how to find the shortest distance between a line and a point on the coordinate plane. Using the fact the shortest distance is the perpendicular, the presenter shows the class how to find the intersection of the two...

New ReviewWhat does geometry have to do with geometry? The portion of a review series for a math assessment highlights how equation formation is assessed on the test. Pupils use geometric concepts such as perimeter and the sum of the measures of...

New ReviewMath can be a problem in eighth grade. Sample items show how problem solving exists within the eighth grade standards. Part of the Gr. 8 Claim 2 - 4 Item Slide Shows series, the presentation contains eight items to illustrate the...

Mix it up while representing changes in a drink recipe. Using a scenario about making a party drink, the video creates an equation. The process uses equivalent expressions on each side of the equation to build the final equation. By...

It's time to check the mail! The task is to determine the most cost-effective way to mail a packet of information. Young scholars write an equation that models the amount of postage as a function of the number of sheets mailed and...

Use one-dimensional calculations to make them two-dimensional. An application question provides a perimeter and a relationship between the length and width of a rectangle. The video tutorial demonstrates how to write an equation for the...

Linear equations are invaluable in problem-solving. A video presents an equation representing a weekly income based on a salary and commission. The instructor demonstrates how to substitute for both the dependent and independent...

Get your heart pumping! A linear equation can compute the target heart rate of an individual based on their age. A thorough lesson demonstrates how to use an equation to calculate the age of an individual given a target heart rate. The...

Linear equations aren't just for graphing! Scholars use a linear equation to model a contextual situation. A step-by-step direct instruction video describes how to find a solution using general problem-solving strategies and then how to...

Explore the idea of equality through the lens of linear equations. Two friends have a specific amount of money in savings and plan to add to it each week. A video lesson shows how to determine when their total amounts in savings is equal. 

What situations do linear equations model? A video lesson demonstrates how to write a linear equation to represent a specific situation. Learners then watch as the instructor shows how to use the equation to analyze the situation.

What's the quickest way to get from point A to point B? A straight line, of course! Young scholars learn to write the equation of this line as they watch a video lesson. They then have the opportunity to deepen their understanding using...

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...

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....

To write the equation of a linear graph, all you need is the slope and the y-intercept. Individuals view instruction on finding the slope and y-intercept from the graph of a line, which leads to writing an equation in slope-intercept...

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...

Take the mystery out of linear functions. Provided an image with no scale, learners guess where the line that connects them might cross the y-axis. After providing the coordinates of the points, they realize scale is an important...

No more need to write problems on writing equations. A handy resource provides some assessment questions to pick and choose to use in class. All of the items align to A-CED.2 and require writing linear equations in two variables for...

Just how many toothpicks does the pattern take? After watching a video of someone building a pattern with toothpicks, groups create methods to find the number of toothpicks needed to accomplish that task. Groups either use explicit...

Line up to the airstrip. Using interactive graphing software, pupils determine the line that will allow a plane to safely land on a runway. Class members create their own landing strips and share with classmates to find the equation of...

Table the decision to land. Pupils form flight crews by matching up different representations of linear equations. Given a set of coordinates for an airstrip, the crews determine the equation of the line that will position their planes...