This document provides directions for conducting a "Hot Onion Review" activity in a 3rd grade math class. The activity involves writing important concepts from a lesson on strips of paper and having students take turns unwrapping them like onion skins and discussing the prompts. Example prompts from a unit on perimeter and area are provided. The document also summarizes students' discussion in response to the prompts, reflecting on how using a related picture book and incorporating movement engaged the students. It concludes by discussing the cultural relevance of drawing from students' life experiences.