One purchase covers up to 5 students. To add more students, purchase an additional license. Prefixes & Suffixes II — Practice App (Grades 4–7) A student who completed Prefixes & Suffixes I knows the common building blocks of English. Prefixes & Suffixes II goes deeper — 48 more word parts drawn from Latin and Greek roots, covering the less common but high-value prefixes and suffixes that appear constantly in academic and content-area reading. The same proven structure: two new word parts each week for 24 weeks, three modes of practice — Flashcards to learn the meaning, Quiz to test recognition, and Use It to find the prefix or suffix inside real vocabulary words and use it in context. Mastery requires three correct answers in a row; a miss brings the word part back until it's solid. Mastered word parts cycle back for spaced review. A placement check lets students who already know some of these word parts skip ahead. Multiple students can keep separate profiles with their own progress and mastery records. Works on iPad and laptop in any modern browser. No app to download, no subscription — one purchase, full access. How access works: After purchase, log in at cornerstoneacademics.co with the same email you used at checkout and visit your My Apps page — Prefixes & Suffixes II will be waiting. No codes, no downloads. One purchase covers one student. Need access for an additional student? Simply purchase another copy.