One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...

Although graphing a linear inequality on the plane is but a few steps added onto the graphing of a linear equation, for many learners the logical leap is quite intimidating. This approachable PowerPoint presentation breaks graphing...

The title says it all: fractions mean division. Explore number sense and operations as you flip from slide to slide, describing how fractions and division are the same thing. Learners will work through a series of problems where they...

Integrating quotations, paraphrases, and summaries into a paper can be a challenge. After the terms are defined and the difference among them illustrated, viewers are shown correct and incorrect inclusions of quotations. Preview the...