It's not a time machine—it's a function machine! Using two rules, the video introduces a function machine that changes an input to an output. Pupils answer questions such as finding what is the input for a given output and what values...

Proofs do not exist only in geometry. The video shows the class different ways that proofs appear in algebra. Pupils work through a variety of algebraic proofs involving the divisibility of an algebraic expression or whether it is even...

Out lunge the opponent. Fencing uses math in determining distances between opponents. An installment of the Math at the Core: Ratios series shows how to use variables to write an expression to show the distance a fencer must cover to...

These are equivalent, too. The resource presents two expressions to simplify that require using the distributive property and/or combining like terms. After simplifying the expressions, the video shows how to evaluate the expressions to...

To simplify or not to simplify, what should scholars do? Using several examples, the video works through the process of simplifying algebraic expressions. The resource restricts simplification to using the distributive property and to...

It's just the cost of the game. Using a two-part example, the presenter writes an expression to determine the amount friends spend to attend a game. The video shows the total amount they spend when given the cost of each ticket.

Age is just a number. The resource develops a multi-step expression to represent a person's age. Using the video, the presenter creates expressions for the age of four different people that build upon each other. The final age requires...

Just how much farther? A helpful video provides an example in determining an algebraic expression involving distance traveled. Graphics provide an illustration to demonstrate how to find the remaining distance to travel given a known...

Evaluate the equivalence of expressions. A helpful video walks through the process of simplifying two expressions. Using values for the variables, the presentation evaluates the original expression and the simplified expression to show...

Algebraic vocabulary and notation sometimes seem like a foreign language. A video tutorial breaks down the vocabulary and notation into easy-to-understand chunks. The narrator writes the notation with symbols, in words, and verbalizes...

Turning words into numbers and symbols sounds like the art of writing an algebraic expression. Young scholars first observe a lesson presentation outlining strategies for writing expressions. They then use one of the included worksheets...

Is there advanced life beyond Earth? Perhaps, but there's definitely advanced math in the universe. A real-life astrobiologist explains how she uses math in her job and describes complex systems research in a short video. Pupils...

The concept of equality can be harder to understand than it seems. Help your classes by showing a video on the concept of equal expression. Of course, equal expressions create an equation, and that is the conclusion scholars make by the...

Take away any hesitation about using a great resource. Young mathematicians watch a YouTube video that covers how to add and subtract linear expressions. Thankfully, it first explains what algebraic linear expressions are to build base...

Here's everything you need to know about algebraic expressions in 10 minutes or less! From an introduction to vocabulary to simplifying with the distributive property, the video lesson has a little bit of everything related to...

Know how to evaluate expressions? You will after watching an informative YouTube video. The expression under consideration is 6(z^2)(x^2)+3zx+4z+5x-8. The narrator shows how to evaluate the expression for given values of x and z.

If you hate to evaluate, here's a video that might just change your attitude. Pupils watch a concise YouTube video that shows how to evaluate the expression -7x^2-4y^2-8xy+7. It describes how using parentheses when substituting negative...

What's the value in learning about 3(b^2)r? A brief YouTube video demonstrates how to evaluate the algebraic expression 3(b^2)r. Specifically, scholars find the value of this expression when b = -3 and r = -2.

All you need to do is two easy steps: substitute and simplify. By viewing a brief YouTube video, scholars see an example of evaluating an expression. This example is in the form (a+b)/(c-d) and requires simplifying a fraction after...

You'll definitely find value in a helpful video. Young mathematicians watch a YouTube video to learn about evaluating algebraic expressions for given values. The video goes through several examples, including both mathematical and...

A simple concept made even simpler. A short YouTube video explains how to simplify algebraic expressions. It covers simplifying linear expressions by applying the distributive property and combining like terms. It also shows how to...

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...

What comes first, the exponents or the multiplication? Follow the order of operations and you will never make a mistake! Young scholars learn the order of operations and then watch as the instructor evaluates a five-step problem. The...