This document discusses ways to enrich students' vocabularies. It notes that vocabulary is fundamental to communication and knowledge acquisition. It then lists several reasons why students should increase their vocabularies, including better expression, reading comprehension, thinking, and how others perceive them. The document provides tips for teachers to help students build vocabulary, such as encouraging reading, looking up unknown words, using words in examples, and using puzzles, synonyms, bulletin boards, and sentences. It includes vocabulary exercises using prefixes, suffixes, roots, and random words.