Here is how Han found 31.59 : 13: 214 3. 1. At the second step, Han subtracts 52 from 55. How do you know that
13/3 1.59
these numbers represent tenths?
- 26
2. At the third step, Han subtracts 39 from 39. How do you know that these
- 5 2
numbers represent hundredths?
5 5
39
39
0
3. Check that Han's answer is correct by calculating the product of 2.43 and 13.