The Common Core math standards say students need more than a textbook understanding of concepts like the Pythagorean theorem. So two Colorado teachers teamed up for a lesson in real-world math.

Teens come up with trigonometry proof for Pythagorean Theorem, a problem that stumped math world for centuries By Bill Whitaker ...

Struggling to help your child with their homework? The older they get, the more difficult the assignments become, and fo ...

Learning with TOI News: Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core groups—reciprocal, quotient, and Pythago ...