Variables and Expressions

Popular Tutorials in Variables and Expressions

How Do You Translate a Phrase with One Variable and Number Into a Mathematical Expression?

Need some practice translating phrases into mathematical expressions? Then this tutorial is for you! You'll get practice translating statements involving addition, subtraction, multiplication, or division into mathematical expressions.
What is a Variable?

You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
What Are Some Words You Can Use To Write Word Problems?

Knowing the mathematical meaning of words allows you to decipher word problems and gives you the power to write your own word problems, too! Take a look at these words and learn their mathematical translations.
What is a Constant?

Constants are parts of algebraic expressions that don't change. Check out this tutorial to see exactly what a constant looks like and why it doesn't change.
How Do You Evaluate an Algebraic Expression with One Variable?

If you have a value for a variable in an expression, you can evaluate that expression by plugging in that variable value and simplifying! Follow along with this tutorial to see the entire step-by-step process.
How Do You Evaluate an Algebraic Expression with Two Variables?

If you have an expression with two variables and you're given the values for those variables, you can plug those values into the expression and simplify to get the answer! This tutorial shows you the steps to plugging variable values into an expression and simplifying.
How Do You Complete a Table By Plugging in Values?

Learning how to complete a table of values is a building block of math. You can use a table to see a pattern or even make a graph! This tutorial shows you how to complete a table when you're given an expression and multiple values to plug in.
How Do You Write a Rule for a Table?

Patterns are everywhere in math! In this tutorial, you'll see how to find a pattern in a table and make a rule for it!
How Do You Determine Which Operations to Use in a Word Problem?

Turning a word problem into a math problem you can solve can be tricky. Luckily, there's some key words to look out for in a word problem that help tell you what math operation to use! This tutorial shows you some of these key words to look for in a word problem.
How Do You Translate Phrases into Numerical Expressions?

Turning a phrase from words to a math problem can be tricky, but practice can make this process easier! In this tutorial, you'll see how to look for key words that can help you translate a phrase into math.
What Are Numerical and Algebraic Expressions?

An expression is just a mathematical phrase. In this tutorial, you'll learn about two popular types of expressions: numerical and algebraic expressions. A numerical expression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables. Check out this tutorial to learn about these two popular kinds of expressions!