Multiplication with 2: add the number to itself
(example 2×5= 5+5)
Multiplication with 5:the last digit is always 5 and 0
|
is always
half of 10× (Example: 5x8 = half of 10x8 = half of 80 = 40)
|
Multiplication with 6:when you multiply 6 by an even
number, they both end in the same digit.
Example: 6×2=12, 6×4=24, 6×6=36, etc Multiplication with 9: the last digit goes 9, 8, 7, 6 |
Multiplication
with 10 : put 0 after that number.
Multiplication
with 11: till 9 ,two digits are repeated
11*4=44
After 11*12=
1(1+2)2 =132 in between the numbere middle number is addition of two digits of particular
number.
Multiplication
with 12: multiply first with 10 and multiply given number with 2 add both.example:
12*2 =(10*12)+(10*2)
Multiplication by easy way:
Multiplication by easy way: