The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...

This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2) = ? If you divide 8 by 2 first, you get 16, but if you multiply 2 by (2 + 2) first, you get 1. So, which answer is right?

This photo shows the mobile phone app logos for, from left, Facebook and Instagram in New York, Oct. 5, 2021. (AP Photo/Richard Drew, file) (CN) — A study claiming Meta’s news feed algorithm ...