A series of free Basic Algebra Lessons.
The following table gives some common words or phrases that may imply one of the four operations: add, subtract, multiply, divide. Scroll down the page for more examples and explanations.

The Language of Algebra
This video covers terms like Variables, Algebraic Expressions, and Equations
Introductory Algebra - Simplify Algebraic Expressions
Steps to solving Word Problems
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.
Check out more Solitaire games here.
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