Challenger uses phonics, controlled vocabulary, and sequential skill development while building reading, comprehension, and writing skills. In books 5 - 8 the emphasis switches from learning to read to reading to learn expanded higher-level readings and high level vocabulary.
Word analysis skills include phonics, word families, prefixes and suffixes
Reading comprehension skills include main idea and detail, making inferences, cause and effect, and literary interpretation
Controlled vocabulary is developed through fiction, nonfiction, and literary reading selections based on topics and themes that interest adults
Writing mechanics and composition skills are developed in each lesson, with more practice included in the writing books
In Book 5, fictional passages are drawn from classic literature and include short stories, myths, and fables.