2-Digit Multiplication Trick

Oh noo!! Not multiplication again.... Is that your usual attitude towards multiplication? Well, it's not that bad because guess what there's a trick to multiplying 2-digit numbers. Stay tuned and keep on reading to start multiplying more easily.
                                                             

First off, let's understand why we study multiplication? Multiplication is studied because it is really useful as a tool in our day to day life. Whether you work as an engineer, a doctor, or even a professional athlete, you simply need to have multiplication skills.

Let's get to the multiplication trick now. The best way to explain this would be through using examples since this is math.

So, let's say we need to multiply the following:

Example 1: 20 x 45

Step 1: The above may be rewritten as  20 x (40 + 5)

Step 2: Next, you just multiply 20 by 40 and 20 by 5.

Step 3: To simplify the multiplication even further, you can multiply 4 by 2 and add a 00 to the answer you get.
                               4 x 2 = 8, then with the added 00, you get 800
                         &   20 x 5 = 100

Step 4: Finally, you add the two answers together to get the final answer.
                              800 + 100 = 900
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Example 2:  34 x 56

Step 1: The above may be rewritten as 34 x (50 + 6)

Step 2: Next, you just multiply 34 by 50 and  34 by 6.

Step 3: To simplify the multiplication even further, you can multiply 34 by 5 and add a 0 to the answer you get.
                               34 x 5 = 170, then with the added 0, you get 1700
                         &    34 x 6 = 204

Step 4: Finally, you add the two answers together to get the final answer.
                              1700 + 204 = 1904


The above are just two examples of many where this trick could be applied. I know it could look complicated somehow, but with loads of practice you could potentially perform some of these multiplications in your head.

Other 2-digit multiplication tricks are also available. Below are two videos for you to check out! Enjoy... :)


The first video deals with 2-digit numbers and how playing around with the numbers could prove to be a trick to multiply faster and without going through the whole multiplication process.

The second video here shows how using 100 as a base you multiply a set of large 2 digit numbers by each other with the no need at all for a calculator!

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Also, have any questions regarding multiplying? Then feel free to leave a comment on the questions page!