New ReviewApply polynomial multiplication to area. The short video in a large series shows the process of creating a polynomial formula for the area of a rectangle. Using the two expressions for the length and width of a rectangle, pupils see how...

New ReviewUse texts and dances to teach inequalities and equations. A sixth-grade unit covers using variables in equations and inequalities to solve problems. Learners show what they know at the end of the unit using two performance tasks, one...

New ReviewOne variable is sometimes enough. Viewers of an instructional video learn how to evaluate a polynomial expression in one variable. They watch as the narrator works through two such examples, one with a polynomial of degree four and the...

New ReviewEvaluating functions isn't all that different from evaluating expressions. An illuminating video shows how to evaluate polynomial expressions, both by hand and by using a graphing calculator. It then moves on to evaluating polynomial...

Some points are on the line and others are not—help your pupils determine which is which. A video lesson presents an equation in slope-intercept form and a set of points to test. The narrator shows how to substitute the ordered pair to...

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...

Build problem-solving skills within your classes. Young scholars learn linear equations are great for modeling contextual situations. The specific situation models weekly income based on a combination of salary and commission. Given the...

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...

What types of mistakes do your classes make when evaluating algebraic expressions? A direct video lesson explains the process of evaluating algebraic expressions by substituting values for multiple variables. The instructor highlights...

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...

To graph or to substitute? Pairs compare solving the same system using graphing or substitution to realize the two methods provide the same solutions. Pupils practice using the substitution method to solve linear systems. A summative...

Solve systems to solve problems. Scholars learn to write and solve systems of two linear equations. Using the context of piggy banks, pizzas, and phone plans keeps things interesting!

There's no limit to how useful the resource can be. Scholars use a slider interactive to investigate limits from graphs. They take both one-sided and two-sided limits into consideration.

Expressions have value. A short video shows individuals how to evaluate algebraic expressions. They see how substitution lets them determine the value of an expression for given values of the variables.

Discover another way to interpret multiplication. Using an interactive, learners slide points (representing the factors of multiplication) along the x-axis of the graph of y = x^2 and observe changes in the line segment connecting the...

Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...

Combine algebra skills and geometry knowledge to find the measure of angles in a parallelogram. The resource presents algebraic expressions for two angles of a parallelogram. Pupils determine the relationship of the two angles to create...

Finish out the module with a bang. The last installment of a 36-part module is an end-of-module assessment task. Test takers set up equations to represent relationships and solve problems in an assortment of contexts.

Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...

Halfway through the module — the perfect time for an assessment. The 18th installment of a 36-part series is a mid-module assessment. Scholars provide evidence of understanding through various mathematical and contextual problems.

The sixteen problems in this resource present opportunities for pupils to practice substituting into algebraic expressions. Scholars evaluate algebraic expressions for given values of the variables. In a few cases, class members need to...

If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...

The concept of solving integrals by substitution with trigonometric functions is modeled by a video designed for AP Calculus classes. The narrator works an example problem using substitution and shows that careful substitution makes...