The document provides 80 strategies for differentiating instruction across subjects and grade levels. It discusses strategies like using keywords, simplifying language, displaying keywords with images and definitions, having students discuss keywords before writing, providing examples and context for understanding, discussing antonyms, modeling conversations using new vocabulary, tracking new words, appointing dictionary champions, and carefully explaining tasks with instructions, pictures, and modeling. The overall document is a reference guide for teachers to draw from a variety of differentiation strategies.