Approximation and Guessing
1. Tell me, how you come up with your measurement.
- The first round, We use our arm width to measure the room. However, there are some remaining at the end so, we use our hand to measure it.
- The second time, We use the charger cable to measure the room. The reason why we use it because the length of charger cable is longer than our arm width.
2. Make a table