Answer:
Estimation gives an approximate answer.
Explanation:
Estimation, or approximation, should give you an answer which is broadly correct, say to the nearest 10 or 100, if you are working with bigger numbers.
For example:
You’ve decided to add another room to the carpet buying. The last room is 3.7m by 2.2m. How much carpet do I need for all three rooms?
- 3.7m is rounded up to 4m.
- 2.2m rounds down to 2m.
2 × 4 is 8m2, which gives a total, for all three rooms of 20m2.