Socratica
Chemistry: Balancing Chemical Equations
Teaching chemical equations can be quite a balancing act! Bolster your class' balancing abilities using a video from a helpful chemistry playlist. The resource explains the theory behind balancing, then shows viewers how to accomplish it...
Socratica
Chemistry: Balancing Chemical Equations—Algebraic Method
If you love algebra, then you're gonna love this balancing method! Introduce young chemists to the algebraic method of balancing chemical equations using a video from an informative chemistry playlist. The narrator works five...
Socratica
Using Scientific Notation
Scientists and engineers in every field use scientific notation. The Socratica video explains what scientific notation is and why people use it. Then, it offers examples of how to convert a number into and out of scientific notation....
Teacher's Pet
Balancing Chemical Equations
Add a little balance to the school year! Learners develop a strategy for balancing chemical equations. The video lesson explains the process and demonstrates it with an example.
Teacher's Pet
Arithmetic of Equations
Every great chemistry teacher has a stoichiometry toolbox full of lessons designed to chisel away at misconceptions and confusion. It's time to make room for something new! Incorporate a brief but detailed video that walks junior...
Math Antics
What Are Polynomials?
Is there a limit on terms? The video introduces polynomials by first defining terms. The presenter goes on to discuss the degree of polynomials and the conventional way of writing polynomials in decreasing degree. Topics include...
Krista King Math
Factoring Quadratic Equations with Coefficients
Explore the puzzle of factoring quadratic trinomials using the video lesson. The instructor demonstrates the trial and error process of finding the binomial factors. She shows how to check the factors using multiplication.
Bozeman Science
Physical and Chemical Changes
What is more important, style or substance? This video explains the difference between physical (style) changes and chemical (substance) changes. It uses many examples and various ways of determining which type of change has occurred.
Curated OER
Solving Equations
A mathematics video explains the parts of an equation and reviewing relevant vocabulary. Next, it covers one-, two-, and multi-step equations. It includes a few example problems for each type as well.
Brightstorm
Polynomial Vocabulary - Concept
Getting the vocabulary straight is the first step to understanding polynomials. The video provides the basic vocabulary to describe polynomials. The resource links the vocabulary to the classification of polynomials both by degree...
Curated OER
What's a Coefficient?
All variables have a coefficient. Integers, decimals, and fractions can represent coefficients, positive or negative. And there are times there is no written coefficient which means it's really just 1. This short video demonstrates and...
Curated OER
How Do You Find All the Possible Factors of a Trinomial?
So you are looking for all the possible binomial factors of a trinomial expression? First find the factors of the coefficients. Then set up a table or template to do a guess and check. Write out, using the template, all the possible...
Curated OER
How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?
Got a fraction in your equation? Don't like that fraction? Just multiply both sides by the reciprocal of that fraction to get rid of it. Now you can solve the problem using the steps necessary to isolate your variable. Don't forget to...
Curated OER
How Do You Find the Constant of Variation from a Direct Variation Equation?
What is a constant variation? How can something change and be constant? Oh, the rate of change is constant. So if there are two variables that are directly proportional they can have a constant of variation? Yes! Still a bit confused?...
Curated OER
What are Like Terms?
Combine those like terms! What does that mean? How do I do that? Find terms with the same variable and find terms with the same powers and combine their coefficients.
Curated OER
How was the Quadratic Formula Derived?
If you or your class members are interested in how the quadratic formula is derived, then take a look at this video! The tutorial takes you through each step necessary to derive the quadratic formula from the general form for a quadratic...
Curated OER
How Do You Find a Missing Term in a Polynomial?
The instructor does a very good job of explaining all the things you need to do to find the integer values of this given trinomial. She demonstrates how to set up a template to be able to check the signs of the terms. Next step, what are...
Curated OER
How Do You Find All the Possible Factors of a Trinomial?
So you are looking for all the possible binomial factors of a trinomial expression? First find the factors of the coefficients. Then set up a table or template to do a guess and check. Write out, using the template, all the possible...
Curated OER
How Do You Add Polynomials Vertically?
The instructor demonstrates how to line up two polynomials vertically to add them together. She emphasizes lining up the terms with the same powers. She also identifies some places where there is no term and shows how to write a...
Curated OER
How Do You Write an Equation of a Line in Point-Slope Form and Standard Form If You Have Two Points?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Curated OER
What are Like Terms?
Combine those like terms! What does that mean? How do I do that? Find terms with the same variable and find terms with the same powers and combine their coefficients.
Curated OER
How Do You Add Like Terms?
Do you want to combine like terms the long way, or the quick way? Well, the instructor shows you both ways, and I bet you will prefer to combine like terms the quick way.
Curated OER
How Do You Subtract Like Terms?
Subtracting like terms, combining like terms, simplifying an expressions all refer to the same thing. The teacher explains two different methods of simplifying this subtraction expression.
Curated OER
How Do You Add Polynomials Vertically?
The instructor demonstrates how to line up two polynomials vertically to add them together. She emphasizes lining up the terms with the same powers. She also identifies some places where there is no term and shows how to write a...