Kindergarten phonics worksheet focusing on identifying missing first sounds in words with visual aids.

A kindergarten worksheet with nine boxes, each containing a word with a missing first sound, a corresponding image, and a blank line for writing the missing letter. The words include "umb," "rone," "om," "ock," "arn," "is," "ree," "imble," and "read," with images like a thumb, chair, rose, sock, yarn, tie, three dots, thimble, and spool of thread.