Number Cadets turns Common Core math — addition, place value, multiplication — into secret-agent mystery missions. Solve cases, earn badges, and level up real K–8 skills while we track your mastery standard by standard. Your first mystery's free, Agent. 👉
Space stations, lost pyramids, museum heists, pirate coves — each mission is its own adventure (and sneaky math practice).
Missions are sorted by grade so every Agent gets the right challenge.