Multiplying Two-digit Numbers By 11

Example 1: Let us take the example of 12 * 11 Step 1: In the first step, let us focus on 12. Split the number 12 like this,1-------2 Step 2: Now add the two digits of 12 That is1+2=3 Step 3: Place 3 in the middle of the two digits of 12 and the result is 132 Now, we have arrived at the answer for 12*11=132. Example 2: Now let us take another example.65 * 11 Step 1: As mentioned above in the first step, focus on 65. Split the number 65 like this,6-------5 Step 2: Now add the two digits of 65 That is6+5=11 Step 3: However, we cannot place 11 in the middle of the two digits of 65.Write 1 in between 6 and 5. Carry over the remaining 1 to the previous number 6 as given below. Add the 1 with 6 to get the digit in the hundredth place. We have arrived at the answer for 65*11=715.