This document describes a literacy activity called "Spelling Spiders" that can be used to assess students' spelling abilities. The activity involves students guessing missing letters in bug-related words. It provides 12 slides with words of varying difficulty that are missing a letter. Students write their guesses before the missing letter is revealed. The document also provides instructions for changing the words on the slides and includes examples of slides with missing letters for words like "SPIDER", "BEE", and "INSECT".