Whatcha-Macallits Develops excellent communication skills! Critical Thinking Activities to Improve Writing Skills encourages students to think, choose their words carefully, and produce concise, accurate, detailed, and sometimes persuasive, writing. For higher grades, better test scores, and effective everyday communications, few skills are more important than clear, precise writing! Methods: Whatcha-Macallits increases students' ability to distinguish between similar/dissimilar attributes, recognize patterns, classify, and describe classes in writing. Teaching Support: Includes activity guidelines and answers. 56 activities. License: reproducible.