Use a pan balance to find two collections of objects that have the same mass, eg a collection of blocks and a collection of counters
1. | Balancing Act - informal units, combining masses | |
2. | Balancing Act - informal units, balancing 2 cakes | |
3. | Balancing Act - combining masses, informal units | |
4. | Balancing Act - combining masses, informal units | |
5. | A Weighty Issue - equal arm balance, half a kg units | |
6. | A Weighty Issue - equal arm balance, half a kg units | |
7. | A Weighty Issue - equal arm balance, 1kg units | |
8. | A Weighty Issue - equal arm balance, 1kg units |