Journal of the Mathematics Council of the Alberta Teachers’ Association
Volume 49 Issue 2, June 2012
45 – 55
What a Lot of Trash! Grade 3: Addition and Subtraction of Numbers to 1,000
Petra Nagtegaal
While working at Vital Grandin Catholic Elementary School in St Albert, Alberta, I was privileged to see the success of the school’s Wasteless Wednesday program. In this program, students’ lunch waste was collected and weighed every Wednesday, with the goal of reducing the trash produced by the school.
