The answer to this mathematical brain teaser is NOT 40 - can YOU solve it in 30 seconds by remembering the special rule?
South Central Calhoun is a rural school district in northwest Iowa with about 900 students, and is now home to three ...
Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in ...
An analysis of data from 200,000 students using a computer-assisted math program supports an optimistic view of skill-focused ...