TWO DIGIT MULTIPLICATION TRICK

Traditional Method of doing Multiplication

                      Example : Multiply  23 x 12

   23

 x12

----------

   46

  23x

--------------- 

  276

-----------------

SIMPLIFIED VERSION

Vertically & Cross Method,  

We can write the answer straight away.

The symbol of vertical and cross method is given below

I X I

Let’s learn how to apply this method 

    I   means   Multiply Left Hand Side nos.  2 x 3 = 6

    X   means   Multiply 2 & 2 = 4 and 3 & 1 = 3, then add 4 + 3 = 7

    I   means   Multiply Right Hand Side nos. 2 x 1 =2

  23

x12

---

  276

    

                           

                                                       

Two Digit Multiplication made Simple.

Traditional Method of doing Multiplication

Ex1.   23 x 12

   23

 x12

----------

   46

  23x

--------------- 

  276
-----------------

SIMPLIFIED VERSION

Now with vertically and cross method ,  we can write the answer straight away.
Always remember the symbol of vertical and cross method (I X I).

    

                               I   means   Multiply Left hand Side nos.  2 x 3 = 6

                              X   means   Multiply 2 &2 = 4 and 3 & 1 =3 and then add the result 4 + 3 = 7

                               I   means   Multiply Right Hand Side nos. 2 x 1 =2

                                                       23
                                                     x12
                                                  --------
                                                      276
                                                   -------

Fun with Number 14

                                                        14 Pounds = 1 Stone

                                                        14 Days = Fortnight

                                                        14 = 2 x 7 (Product of two prime numbers)

Interesting Facts For Number 13

                                      (13)² = 169  and   (31)² =961

                                     13 is the  6^th  prime number. 

                                                  13 is the 7^th   Fibonacci number. 

                                                              There are 13 cards in a suit.

                                                                           13 = (3)² +  (2)²             

 

 

Number Wheel ....Teaches Times Table of 4 & 6

Number Wheel .. Unique way of learning times table of 2 &8

Watch this video..

Times Table of 7 using Tic Tac Toe Square

Learn Times table of 7 in two simple steps.

STEP I

Draw Tic Tac Toe Square and numbered them as shown below :-

STEP II

Insert 0 ,1 , 2  in first row.

Insert 2 ,3 ,4 in second row.

Insert 4, 5, 6 in third row.

As shown below:-

Practice it several times by drawing and revising it again and again.