Compare two or more areas by informal means, eg using tiles or a square-centimetre grid overlay
1. | Ordering By Area - order 4 objects by area, using 1 square centimetre grid | |
2. | Ordering By Area - order 5 objects by area, using 1 square centimetre grid | |
3. | Ordering By Area - order 4 objects by area, using 1 square unit grid | |
4. | Acknowledging Area - about 5 square centimetres | |
5. | Stepping Stones - adding areas, using grid |