Curated OER
What is the Substitution Property of Equality?
Explore the substitution property of equality with this video. The resource uses examples to define the property, showing how to replace a variable with a value. Use this to help struggling learners or as review for an upcoming test. A...
Curated OER
How Do You Solve a Decimal Equation Using Subtraction?
Solve this algebraic equation by isolating the variable. In this one-step problem that is done by using the subtraction property of equality. There are decimal numbers in this equation so be sure to line up the numbers according to the...
Curated OER
How Do You Solve a Decimal Equation Using Multiplication?
Solve this algebraic equation in one step by using the multiplication property of equality. Not sure what that property is? Then watch this video and see the instructor work out this problem. These are decimal numbers so make sure to use...
Curated OER
How Do You Solve a Word Problem by Writing an Equation and Plugging in Values?
There are a lot of moving parts in this word problem. There are three variables, and then there's writing out an equation. Oh my! The best thing to do is watch this video and take some good notes as the teacher explains each and every...
Curated OER
How Do You Use a Shortcut to Factor a Perfect Square Trinomial?
It's not really a shortcut but an equivalent equation. That's how these two perfect square equations work. So when you see an expression written out and it fits the perfect square of a trinomial criteria it can be rewritten in the...
Curated OER
How Do You Use a Shortcut to Factor a Perfect Square Trinomial?
It's not really a shortcut but an equivalent equation. That's how these two perfect square equations work. So when you see an expression written out and it fits the perfect square of a trinomial criteria it can be rewritten in the...
Virtual Nerd
Virtual Nerd: How to Use the Distributive Property to Simplify an Expression
In this tutorial, find out how to apply the distributive property. Remember that this is important when trying to simplify an expression and get rid of parentheses. [4:21]
Virtual Nerd
Virtual Nerd: What Is an Equation?
Learn about the basics of Algebra by starting with equations. This video defines equations and gives examples. [3:38]