Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

Jeff Smith's Math Puzzle for August 14, 2026 – Yet another round of remedial Algebra 1 and Geometry lessons. The post Math ...

One day more than a year ago, an 8-year-old named Andrew told his parents he wanted to learn to do long division. His dad, Tim Sylvester, looked up a YouTube video explaining the basic steps and began ...

Math can be made meaningful when connected to students’ experiences. With video clips and interactive games from public media students practice math concepts while exploring real world concepts. Learn ...