MathBook+ 與 D'ANGELO 使用情況與統計

D'ANGELO helps kids in grades 3–5 master missing-number math at home. Find n in equations like 7 + n = 12. When an answer misses, D'ANGELO coaches the exact mistake instead of only saying “Incorrect.” WHAT KIDS GET • Warm-up and Check-in practice at their own pace • An adaptive path that picks the next skill from real mistake patterns • Gentle hints, story problems, and optional voice-first reading • Fact fluency sprints and a skill library built for grades 3–5 • Personal weekly growth so progress feels visible BUILT FOR HOME • No classroom accounts or teacher mode required • Parent settings for language, appearance, voice, and hints • Progress stays on the device • On-device coaching when Apple Intelligence is available, with built-in tutor templates that always work D'ANGELO: Find n. Learn why. Grow every week.