“To teach well, you should pay careful attention to what an assignment will make students think about,” Willingham advises, ...

From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

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 ...