This is an activity using Chapter 1 of The Lightning Thief to reinforce suffixes and prefixes. The worksheet supports Common Core Language Standard 4.b and c
b. Use common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., audience, auditory, audible).
Consult reference materials (e.g., dictionaries, glossaries, thesauruses), both print and digital, to find the pronunciation of a word or determine or clarify its precise meaning or its part of speech.