A tutorial will guide you through the rules and steps for adding, subtracting, multiplying, and dividing real numbers, as well as evaluating numeric expressions and using order of operations. Contains step-by-step solutions to example...

This mini-lesson targets the concept of inequalities. Learn an inequalities definition and inequalities rules along with some solved examples and a few practice questions to test your understanding.

A comprehensive lesson on algebraic thinking where students create and identify patterns using proportional reasoning. Research based, this lesson includes technology connections, items for discussion, and extension activities.

Determine the domain of functions whose expressions are a combination of different types of assignment rules. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.