Algebra 1 - Math | Khan Academy
Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no solution, or infinite solutions. **Unit guides are here!**
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This topic covers: - Solving one-variable linear equations - Solving one-variable linear inequalities
Algebraic expressions | Algebra basics | Math | Khan Academy
The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are! Let's explore the basics of communicating in algebraic expressions.
Free Math Worksheets - Khan Academy Blog
Khan Academy gives instant feedback after every answer – including hints and video support if students are stuck. Math worksheets take up time to collect and take up valuable planning time to grade. Khan Academy questions are graded instantly and automatically for you.
Absolute value equations, functions, & inequalities - Khan Academy
This topic covers: - Solving absolute value equations - Graphing absolute value functions - Solving absolute value inequalities
Equations & inequalities introduction | Khan Academy
Learn about equations and inequalities that have variables in them. These tutorials focus on solving equations and understanding solutions to inequalities.
Khan Academy
The elimination method is a technique for solving systems of linear equations. This article reviews the technique with examples and even gives you a chance to try the method yourself.
8th Grade Math | Khan Academy
Learn eighth grade math—functions, linear equations, geometric transformations, and more. (aligned with Common Core standards)
Systems of equations | Algebra 1 | Math | Khan Academy
If one line is useful, let's see what we can do with two lines. In this unit, we learn how to write systems of equations, solve those systems, and interpret what those solutions mean in a real-world context.