3-5 · Guided Lab Shell
Launch guided missionOrder of Operations
Step through PEMDAS
Guided Lab Shell / Logic reasoning
Expression Lab
Expression Lab becomes a guided simulation lab where learners make predictions, act, revise, transfer, and produce evidence.
Playable World missions
Pick one mission. Follow the guide. Submit evidence.
Released missions come first: a plain link, the catalog, and campaign links open those. Earlier missions stay listed for existing classroom links and recorded evidence.
6-8 · Guided Lab Shell
Launch guided missionLike Terms
Build expression
9-12 · Guided Lab Shell
Launch guided missionFactor and Simplify
Factor expression