Curated OER
Level 1 Multiplying Expressions
Several examples of different types of algebraic expressions are multiplied. The distributive property demonstrates the steps needed to multiply the terms in the expressions. Sal combines the like-terms at the end of the presentation....
Khan Academy
Example: Two-Step Equations, Linear Equations, Algebra I
Sal adds a few more steps to these problems as he solves algebraic equations with two steps, though he states that "there's more than one way to do it." Those who become confused by increasingly complicated algebra problems on a test...
Curated OER
Special Polynomials Products 1
Some polynomials, when multiplied, result in a special product. Sal uses the distributive property to demonstrate the multiplication process. He then explains why some polynomials cannot be completely simplified.
Curated OER
How Do You Factor a Greatest Common Factor Out of an Expression?
What is the greatest common factor of two terms in an expression? First prime factor each of the terms. Then find the factors that they have in common. Multiply if needed. That is how to find the greatest common factor. Watch the video...
Curated OER
How Do You Multiply Trinomials?
Click on this video and see how to use the distributive property to multiply trinomials. The instructor does some of the math in her head but she talks out loud to explain what she is doing to get the terms that she is writing on the...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Distribute With Whole Numbers and Fractions?
This lesson on the distributive property is probably a review for algebra I mathematicians. But it doesn't hurt to reinforce this skill of multiplying a whole number times the sum of fractions. The teacher shows two ways to multiply the...
Curated OER
GEMDAS
Have your class learn how to solve equations using this video. In a step-by-step method, this film shows how to solve a problem involving multiplication, division and parentheses.
Curated OER
A Distance and Time Problem Example
Through solving a word problem involving a train, the learner in this video describes how to complete a time vs. distance equation. This would be a useful resource because it provides a step-by-step explanation of the process.
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Virtual Nerd
How Do You Figure Out the Volume of a Solution Using Percents?
A word problem, chemistry, and percent? I know you want to throw your hands in the air and run away from this problem, but please don't. Pay close attention as the instructor helps you unpack this word problem to set up an equation that...
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Fractions?
Fractions and variables on both sides of the equation? Oh my! There are one hundred and one steps to solving this equation. Not really, but now that I have your attention, I recommend you watch this video closely and follow the...
Curated OER
How Do You Find the Additive Inverse of a Polynomial?
Finding the additive inverse is not as complicated as you might think. The instructor demonstrates how to multiply each of the terms in the polynomial by -1 and explains how this works. But wait, there's a quicker way. What's that you...
Virtual Nerd
How Do You Solve a Two-Step Equation by Distributing a Fraction First?
Are you stumped by having a fraction in front of the parentheses in an equation you are trying to solve? Never fear. Watch as the instructor shows you how to work your way through this equation starting with the distributive property and...
Curated OER
How Do You Solve a Multi-Step Equation by Simplifying Before Solving?
So you have the same variable more than once on the same side? No problem. Just simplify before trying to solve. That means, combine the like terms. Watch as the teacher shows you how to do that.
Curated OER
How Do You Solve an Equation with Variables on Both Sides?
So you have a variable on both sides of the equation. How do you solve this kind of equation? Just get like terms together on each side of the equation and then isolate that variable.
Curated OER
How Do You Solve a Multi-Step Equation Using Reverse Order of Operations?
Solve an equation that has both variables and fractions. Use the rules of equality to add, subtract, multiply, and divide to isolate the variable and find your answer. Don't forget to plug your answer into the original problem to verify.
Curated OER
How Do You Subtract Mixed Fractions with the Same Denominator?
There are many ways to subtract mixed fractions. The teacher demonstrates one method of how to break up the mixed number and subtract the whole numbers apart from the fractions. Once that is complete she puts the whole number and...
Curated OER
How Do You Multiply Binomials Using the Distributive Property?
Check this out. Multiply binomials using the distributive property. It's really not that difficult to do. Watch this video as the instructor illustrates the steps to distribute, and then combines the like terms to simplify.
Curated OER
How Do You Solve Two Equations with Two Variables?
Two equations, two unknown variables. Use the substitution method to solve for one of the variables. Then plug that value into one of the equations to solve for the other variable. Finally plug both values into one of the original...
Curated OER
How Do You Solve a Word Problem Using Two Equations?
Two equations and two unknown variables in a word problem. Don't cry! Follow the instructor through these nine steps to find the solutions. Identify the variables, write the equations, solve for one of the variables, use the substitution...
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Grouping Symbols?
This equation with a variable on both sides and parentheses on both sides seems like it will be hard to solve. Don't despair! It's not as complicated as you might think. Just use the order of operations and take it one step at a time.
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Fractions?
Fractions and variables on both sides of the equation? Oh my! There are one hundred and one steps to solving this equation. Not really, but now that I have your attention, I recommend you watch this video closely and follow the...
Curated OER
How Do You Solve an Opposite-Direction Travel Problem?
The quintessential word problem that makes everyone scream and run away. But wait, come back! Time, distance, when will they get there? You are really only working with one formula: distance= rate times time. You can do this. View this...