Question

What is the easiest way to find square of a number?​

Answer 1

Step 1: Identify the number whose square we need to find.

Step 2: Find the differencebetween the identified number and its nearest 10s number.

Step 3: Add and subtract the answer of Step 2 to the number identified in Step 1. We obtain 2 results in this step.

Step 4: Multiply the two numbers obtained in Step 3

Step 5: Square the result obtained in Step 2.

Step 6: Add the result of Step 5 to the result of Step 4 to get the final answer.