In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...

Use visual fraction models to add and subtract fractions with the same denominators. Use visual fraction models to add and subtract fractions with the same denominators. Notice patterns in the ...

Nothing slows down a DIY faster than some complex math, and nothing can speed it along like these tools, tech, and tips that ...

Over the past year, since I took over the common-core math beat, I’ve been thinking a lot about fractions. As I wrote in November, the Common Core State Standards for mathematics emphasize fractions ...