Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly reflecting shapes to tile a surface, researchers uncovered a method that links ...

Natural physical networks are continuous, three-dimensional objects, like the small mathematical model displayed here.

Turn and talk with sentence stems: Give sentence starters at multiple levels: “Multiplication is…” for some students, and ...

Researchers are trying to understand why some wild species do better than others over time, as the environment changes.