Over recent years, the quality of math instruction in the U.S. has improved, with over half of teachers using high-quality instructional materials (HQIM) weekly. These resources provide challenging ...

Spaced learning is an effective alternative to the traditional massed-learning approach, unlocking greater potential for both teaching and learning.

frac{1}{4 \times 3 \times 2 \times 1} + \cdots$. If you halt this sum at any finite point and add up the terms, you get a fraction. And it takes little more than high school math to show that this ...