Learn how to solve two-step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two-step linear equation, we first isolate ...

Solve one-step word problems using a visual model & a problem-solving process. Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition strategy.

The internet has had a profound impact on education and how we learn things, a critical complement to any learning environment. Online university classes, massive open online courses (MOOCs), and even ...