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

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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 ...

Fractions are an essential concept in mathematics used to represent parts of a whole. They express a number that is not whole, breaking down values into smaller, equal parts. Here’s a breakdown of ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...