Looking for a back-to-school math activity that builds community while practicing real data skills? This class survey project turns students into “data detectives” as they collect, organize, and represent class data through collaborative graphs and discussions. Fully scaffolded and ready to use, it’s an ideal rentrée activity for Grades 5–8 that blends data management, oral communication, and team building from day one.Pour une expérience 100 % francophone (descriptions en français et prix en CA