It's hard to solve a complex long division problem if you need to stop what you're doing to calculate simple products along the way. (voices.washingtonpost.com)
Executing requires the application of factual knowledge and refers to the ability to carry out learned procedures such as solving a long division problem. (edutopia.org)
An incoming fifth grader may retain the conceptual idea that division means separating things out into equal groups, but it's easy for her to forget the set of steps to solving a long division problem. (gse.harvard.edu)