Do your pupils confuse multiplying variables terms with adding variable terms? A video presentation uses factoring to isolate the coefficients of the like terms before combining, emphasizing the difference between addition and...

Sometimes simplifying expressions is as simple as combining like terms. Help your pupils build the important skill using a video presentation. After defining like terms, the instructor completes a series of examples, which progress from...

What makes terms like terms? Individuals explore the question as they view the video presentation. The lesson first models classifying like terms. The instructor goes on to demonstrate combining like terms in polynomial expressions of...

Use algebraic properties guide to pupils in the right direction. A simple video lesson shows two examples where the instructor distributes a monomial to a binomial or trinomial. The resulting expressions are either linear or quadratic.

The process of distributing is pretty much like it sounds. A video tutorial demonstrates distributing a constant to a binomial with multiplication. Learners observe as the instructor completes four examples with both positive and...

Evaluate an expression or solve an equation—two very different tasks! A video tutorial begins by defining an expression and an equation and then discusses the similarities and differences between the two. The instructor also demonstrates...

What do you do when the x's cancel out? Don't let pupils panic when they eliminate the variable while solving an equation. A thorough lesson describes the situations that produce one, infinite, and no real solutions. The...

Add, subtract, multiply, or divide ... which is the right operation to use? Give your classes some insight into using these operations to solve two-step linear equation using a video tutorial. The lesson describes how and when to use...

Solving two-step equations is twice as fun as one-step equations! A thorough lesson shows the steps to solving two-step equations. Learners watch as the instructor not only explains how to use each operation but also explains why the...

Master the essential algebraic skill of solving simple equations. Give learners a solid foundation with a video lesson easy to watch and re-watch until viewers understand the process. The instructor demonstrates solving four two-step...

Time to do a little two-step! Young scholars view a lesson on solving two-step equations. The video instructor shows several examples that include all different operations. The instruction emphasizes using the properties of equality as a...

It's a step in the right direction! A video lesson demonstrates how to solve one-step linear equations. The instructor explains each step and shows the work, including how to check answers.

Inverse operations are the key! A thorough instructional lesson describes the steps to solve one-step equations. The video instructor outlines how to use inverse operations to solve the linear equations.

Just because it's one step doesn't mean it's simple! A video tutorial describes the process of solving one-step equations. The instructor demonstrates how to solve using addition, subtraction, multiplication, and division inverse...

Different statistical models tell people unique information about data. The 35th lesson in the Crash Course Statistics series describes two different statistic models: ANOVA and Repeated Measures ANOVA. The narrator of a short video...

With all its folds and inner workings, the ear is an extraordinary thing. Take a tour through the anatomy of the ear to get a glimpse of how all the parts works Learners watch as an animation demonstrates how humans hear. The...

The left and right side of the heart must work together flawlessly—that's a lot to coordinate! An animation video shows the operation of each ventricle of the heart and then shows the two parts coming together to complete the loop of...

This lesson has gone viral ... literally! An animation video describes how a single virus cell gives rise to a multitude of progeny viruses. Learners explore how a virus infects many cells in a short amount of time.

Forward and backward, it's all the same! Scientists recently discovered the y chromosome's palindrome nature suggests it's possible to for the y chromosome to recombine with itself! An animation resource gives viewers insight into the...

Sex chromosomes determine gender, but how? An informative video presentation discusses meiosis with an emphasis on the structure of the sex cells. Viewers learn why the X and Y chromosomes are so important.

Could there be a planet in our solar system we have yet to uncover? Researchers believe several discoveries in the outer solar system suggest just that! Part of the SciShow playlist, a video presentation discusses these discoveries and...

It's no secret that most of the galaxy is a mystery. Data suggests that the known exoplanets may be most similar to our own neighborhood planet Uranus. Unfortunately, scientists know little about Uranus. The video lesson presenter...

Is it possible scientists located the first exomoon, a moon outside our solar system? Watch a video lesson to learn why researchers believe they discovered an exomoon and the implications of this discovery on further research....

It turns out there is an interplanetary superhighway, complete with off ramps! A video from the SciShow Space series discusses how using gravity cuts space travel fuel needs to a minimum. Following the superhighway allows spacecraft to...