Antonyms Smartboard Lesson Gr. 2-4-This interactive lesson was created using Smart Notebook. This file is a multileveled lesson/center activity for students ranging from grades 2-4.This file has 9 slides that cover an introduction, brain storming activity, sentence fill-ins, reading passage, and an Antonym Match reinforcement activity. The lesson includes: objectives, Core Content Standards implemented, directions, and an answer key.