This activity focuses on teaching how to use context clues to determine the meanings of challenging vocabulary words. Students are given sentences where a difficult word is highlighted and tasked with underlining the context clues that hint at the word's meaning. They then circle the correct definition from three multiple-choice options. Through this exercise, students enhance their vocabulary and comprehension skills by independently learning to infer word meanings using contextual hints within sentences.

To figure out what "lustrous" means in the sentence "The cat's coat was lustrous, shining in the sunlight after a thorough grooming," we can see the rest of the sentence as a clue. The words "shining in the sunlight" tell us that "lustrous" describes something that shines or looks very bright and pretty when light hits it. So, in this sentence, "lustrous" means the cat's fur is shiny to look at because of the sunlight.