The fist,second and third grade students went on a field trip.There were 227 third grade students and 262 fourth grade students.A total of 756 students went on the trip. How many first grade students went on the trip?
267 first grade students went on the trip. (You’d do 227 + 262 you get 489 then you subtract that by the total number of students which is 756 and get 267)
