Multiplication Of Numbers with a Series Of 1's

This is a very short trick to find out the Multiplication of numbers with Series of 1's.In the previous blog we know the trick about Multiplication of numbers with series of 9's.

Note Down The below questions.

So The Trick is very Small.

Let's solve the 1st question.

Algorithm:

1.Take the unit digit of the number and place as the unitdigit of answer.

2.Add The Digits in ascending manner then descending from the right.

i.e; 1st add 2 digit then 3 digit then 4 digits.

(AS PER NO. OF 1'S)

so here two 1 is available.

3. Add 3+2=5

(If the addition become greater than 10 the pick the 1 to the left digit.)

4.make the Answer 352.

So let's move to the Second question.

Algorithm:

Do as per the above trick.

1.place 2 as the right digit.

2. Add 1st 2 digit i.e; 5+2=7

3. Then add another 2 digit 5+6=11

4 combine them to get answer

            ____2

            ___7

          11

          6

____________

7172

I KNOW YOU HAVE DOUBTS.SO ASK ME IN COMMENT BOX. DON'T HESITATE.

let's move to the third question.

Algorithm:

1.place 3 as right digit

2. Here no. Of 1 is 3.so we do 3 digit addition maximally.But starts from 2 digit addition.

3.add 0+3=3

4.add 2+0+3=5

5.add 2+0=2

6. Place the 2 as left digit.

So answer is 22533.

I REPEAT IF YOU HAVE ANY DOUBT PLEASE COMMENT ME.

Lets Take another Example.

201432×111

Algorithm:

The (2) in the units place of the multiplicand is written as the units digit of the answer

• We move to the left and add (2 + 3) and write 5

• We move to the left and add (2 + 3 + 4) and write 9

• We move to the left and add (3 + 4 + 1) and write 8

• We move to the left and add (4 + 1 + 0) and write 5

• We move to the left and add (1 + 0 + 2) and write 3

• We move to the left and add (0 + 2) and write 2

• We move to the left and write the single digit (2) in the answer.

Ex.210432×1111

AND the last two questions are H.W. For You.