**(2) Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens)a. 439 + 334 + 4,317**

Here we are asked to do estimation to nearest hundreds and nearest tens

**b. 108734 – 47,599**

**c. 8325 – 491**

**d. 4,89,348 – 48,365**