On the bench · not built yet
Run a snack stand: count coins, make change and close by 3:45 when the bell rings.
2.MD.C
Line up a marching band in pairs and rows. Does everyone get a partner? How many ways can 12 musicians march?
Follow a pirate's two-part clues; each step's answer is a coordinate on the map to the next clue.
Volley facts back and forth with a tennis bot; strategies (doubles, near doubles, make ten) unlock power shots.