Question

Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens):

4,89,348 - 48,365

Answer 1

Rounding off to hundreds, 489348 and 48365 may be rounded off to 489300 and 48400 respectively.

489300
 -48400
440900

Rounding off to tens, 489348 and 48365 may be rounded off to 489350 and 48370 respectively.

489350
 -48370
440980