Reading comprehension and clear communication are marked by a strong vocabulary. Spectrum Vocabulary for grade 3 is a workbook packed with progressive lessons that help children learn words through prefixes, suffixes, word classification, and root words. Strong communication can be applied across disciplines, and is essential for success in and out of the classroom. Spectrum Vocabulary for grades 3-6 helps children systematically build their vocabulary while improving comprehension skills. This best-selling series teaches strategies for test success and helps children understand that words matter