Curated OER
Pounds and Ounces Reteach 18.3
In this pounds and ounces instructional activity, students estimate the weights of 4 common objects. Students then weigh each object on a balance scale and record the weights.
Other
Math Solutions: Free Classroom Lessons: Bulging Backpacks [Pdf]
In this sixth-grade lesson, students estimate the weight of their backpacks and construct scatter plots of actual versus estimated weights.