How to Add Fractions With Different Denominators
Introduction Take the problem 1/2 + 1/3. Your first instinct might be to add across — top plus top, bottom…
What Is Rounding in Math? Rules and Examples
Introduction Imagine a store item costs $19.97. When someone asks how much it cost, you would probably say “about $20”…
What Is Expanded Form in Math? Easy Examples
Introduction Take the number 4,582. At first glance, it looks like a single piece of information. But if you look…
What Is Place Value in Math? Examples & Guide
Introduction Look at the number 4,582. It has four digits: 4, 5, 8, and 2. But here is the important…
What Is a Binomial? Definition, Examples, and Operations
Introduction Consider the expression x + 5. This is a binomial because it contains exactly two terms: x and 5.…
What Is a Monomial? Definition, Examples, and Operations
Introduction Look at this expression: 6x² That is a monomial. A monomial is a single-term algebraic expression made up of…
What Is a Polynomial in Math? Definition, Types, and Examples
Introduction Look at this expression: 3x² + 2x – 5 That is a polynomial. A polynomial in math is an…
How to Evaluate an Algebraic Expression
Introduction Take a simple expression: 2x + 3 when x = 4. To evaluate this, you replace x with 4…
What Is a Variable in Math? Definition, Examples & Types
Introduction Look at this simple equation: x + 3 = 7 The letter x is holding the place of a…
How to Write Algebraic Expressions From Words
Introduction One of the most important skills you will develop in algebra is learning how to write algebraic expressions from…