spiraling n.— «Also, instead of spending weeks on a particular math lesson, students are introduced to the concepts for a few days and revisit them later. This technique, called “spiraling,” is designed to help students build...
hand-over-hand n.— «He seemed to like doing that too, even though to get him to paste the words on oak tag, the teacher had to use a technique called “hand-over-hand,” which is just about as discouraging as it sounds...