Make 1 Kilogram
Have a balance scale with a 1kg weight.
Students find things in the room that might weigh the same and test as a class.
2 rotation activities
1. Lightest to heaviest. Students pick 5 objects from around the room and put them in order from lightest to heaviest. Draw
2. Playdoh models. Place 15 unifix on a balance scale and students have to make a playdoh model that is lighter/heavier/same as the unifix. Test