At just under four minutes, this video is a great way to reinforce your lecture on adding rational expressions. Add it to a review session before a unit test, or assign it for homework in your algebra class.

Evaluate the expression 5t + 3. Use the provided variables to determine an answer. Scholars are provided with three different values for t and must evaluate the expression using each value for t. This resource would be appropriate for...

Here is the first video in a three-part series on evaluating exponential expressions. Sal Khan evaluates an exponential expression, reminding students to use PEMDAS while he demonstrates and explains his algebraic reasoning.

It's time to come to terms with identifying algebraic terms. An instructional video teaches scholars about terms and their associated coefficients for variable expressions. They watch the narrator fill out a table of terms and...

Polynomial or not, here they come. An instructional video first reviews definitions of polynomials, terms, coefficients, and degrees of a polynomial. Viewers watch as the narrator classifies six expressions as being a polynomial or not,...

It's not that difficult to find the terms and coefficients. An instructional video shows viewers how to determine the constant term and the coefficients of the variable terms of a polynomial. The narrator of the video works through an...

Show the class what to do with the numbers in front of the variables. Scholars watch an educational video that explains how to find the coefficient of an algebraic term. They watch as the narrator determines the coefficient for eight...

Watching a video can make all the difference in learning how to simplify expressions. A short video reviews how to simplify an algebraic expression. Viewers see an example that requires squaring binomials and then finding the difference...

Determine what makes the equation true. Learners view an instruction video on determining what values make an algebraic equation true. The pupils describe the solution set using three different methods: verbally, set notation, and...

Properly apply properties to arrive at equivalent expressions. Pupils review the main properties of equivalence with the guidance from the video. They take the knowledge from the video and apply the properties within the instruction and...

Dr. Schrodinger, the rat, has set a trap for anyone trying to destroy the growth ray he is using to create giant cats to attack the city. Viewers are challenged to escape his trap and save humanity in this rather complex math riddle.

The Penniless Pilgrim riddle challenges viewers to find a tax-free path through a matrix of city streets to reach a temple. The good news is that the video includes a solution for befuddled riddlers.

Looking at area with a hole. Using algebraic expressions as dimensions, learners see how to calculate the area of a rectangle that contains a square hole. The instructional video shows how to create a single expression for the area of...

Don't feel negative about quadratic expressions. An instructional video shows viewers how to evaluate a quadratic expression when the variable has a negative value. It presents two examples for the topic and works through these examples...

Advance scholars' understanding of evaluating expressions. An advanced level video shows how to determine the value of algebraic expressions for given values of variables. The expressions involve multiple exponents or multiple operations.

Algebraic expressions have value; mathematicians just have to calculate it. An educational video describes how to evaluate algebraic expressions with a focus on linear and quadratic expressions with one or two variables. Pupils work...

Evaluating expressions is pretty basic. Scholars watch an informative video that shows how to evaluate basic algebraic expressions. It provides examples that illustrate how to square and cube negative values as well as apply the order of...

Learn the value of evaluating expressions. An educational video shows viewers how to evaluate algebraic expressions for given values of a variable. The video includes a set of five worked examples for the concept.

Identifying the base is extremely important. Using five problems with negative exponents, the narrator demonstrates that knowing the base is important in simplifying algebraic expressions. The different problems use the same numbers but...

Do the keep, change, flip dance. The resource shows that the division of algebraic fractions follows the same rules as dividing numerical fractions. Pupils understand that if they can multiply rational expressions, they can divide...

Make the complicated look relatively simple. The video shows how multiplication of algebraic fractions is easier when they factor the numerators and denominators. Pupils see which factors will cancel, or divide out, easier when writing...

Simplification is about factoring. While working with rational expressions, pupils must know how to factor. The video shows how the process of finding common factors in algebraic fractions is similar to finding common factors in...

The process requires the combination of several concepts. A video shows how individuals need several concepts to add rational expressions. Pupils must remember they need to find common denominators, combine like terms, and use the...

Get back to the basics to become an expert. The short video shows the basics of dividing algebraic expressions. Using several examples, the presenter reminds viewers of the rules of exponents when dividing. Pupils practice dividing...