Recently scientists in the UK and Australia did a study for the Journal of Pediatrics and Child Health to verify the time it takes for a small plastic object (Lego head) to pass through one's digestive system and be expelled. The group annotated the study with humor. We think students will easily love and share this math.
CCSS: 6.SP.A, 6.SP.B
For members we have an editable Word docx and solutions.