Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

HUMBOLDT COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.3 magnitude quake occurred near Eureka Thursday morning. At 1:41 a.m., the region was shook by a tremor. The earthquake ...

Mathematica needs you! Add, subtract, divide and multiply your way to victory. Meet the Karate Cats and practice spelling, grammar and punctuation as you chop, kick and smash the challenges. Join ...