Students are introduced to using arrays as a strategy to solve division problems. In this lesson, students are introduced to using arrays as a strategy to solve division problems. / Carrie Brewer, ...

Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

When you think back on elementary school math, do you have fond memories of the countless worksheets you completed on adding fractions or solving division problems? Probably not. Researchers and ...