ReadWriteThink
Read Write Think: Book Sorting: Using Observation and Comprehension
Critical thinking, comprehension and analysis skills are the focus of this physical activity. Good beginning to teaching different ways of looking at things.
Read Works
Read Works: Classify and Categorize 1st Grade Unit
[Free Registration/Login Required] A three-lesson plan unit on classifying and categorizing through which students learn how to sort items into two and three categories and explain how each group is classified. Finally, students...
Quia
Quia: Rags to Riches: Category Ladder Iii
In this interactive, millionaire-style game, students see groups of three items and select the category that fits each group.