Multiplication

multiply 52*11

To multiply 52 and 11,imagine there is a space between 52

52*11= 5_2 (Put an imaginary space in between)

Now, Just add 5 and 2 and put the result in the imaginary space

So, 52 * 11 =572 (which is your answer)

Multiply by 12

21314 * 12 =  255768

Lets break it into simple steps:

Add zero at last and first place 

Step 1: 0213140 * 12 =  _____8 (Double of Last Digit 4*2= 8 add it to 0, 8+0=8 )

Step 2: 0213140 * 12 =  ____68 (Now Double 1*2= 2, and add it to 4, 2+4=6)

Step 3: 0213140 * 12=   ___768 (Now Double 3*2=6, and add it to 1, 6+1=7)

Step 4: 0213140 * 12=   __5768 (Now Double 1*2=2, and add it to 3, 2+3=5)

Step 5: 0213140 * 12=   _55768 (Now Double  2*2=4, and add it to 1, 4+1=5)

Step 6: 0213140 * 12=   255768 (Now Double 0*2=0, and add it to 2, 0+2=2)

So your final answer of 21314 * 12 = 255768