Question

4. Estimate the following.
(1) 2523 + 4723​

Answer 1

Given: Two numbers 2523 and 4723

To find: Find the sum?

Solution:

• Now we have given the numbers as:

                2523 and 4723

• Now their sum is:

                   2 5 2 3

                + 4 7 2 3

                   7 2 4 6    

• So the sum is 7246.

• By general rule, the sum will be:

               = 2523 + 4723

                = 3000 + 5000

                = 8000

Answer:

          So the sum is 7246 by normal method and 8000 by general rule.