This was a phrase I relied on heavily in my first few years of teaching. "Thank you for SLANTING!" Immediately, students sat up straight and began participating. SLANT stands for sitting up straight, listening carefully, asking and answering questions, nodding and smiling, and tracking the speaker. It is a great tool to keep expectations high in the classroom.
This freebie includes a black and white version and color.
Classroom Management, Behavior Management