Question

8.06 -2.49

Estimate: ?

Answer 1

Answer: 6

Explanation:

Round 8.06 and 2.49 to whole numbers. You have to round both the numbers down since they are less than half. You get 8 and 2. Subtract 8 and 2, and you get 6.

8.06-2.49

≈8-2

=6

Answer 2

6

Explanation:

Round 8.06 down to 8

Round 2.49 down to 2

8 - 2 = 6

Verify the closeness

8.06 - 2.49 = 5.57