1. 
Multiplication of any 2-digit numbers, from 11 to 19
By using this trick, you can multiply any two-digit number from 11 to 19 quickly. No wonder if generously practiced, it can give result faster than calculator! Have a look on the 4 steps involved in it:
|
Step 1. Add the unit digit of smaller no. to the larger numeral.
Step 2. Multiply the result by 10.
Step 3. Multiply the unit digits of both numbers.
Step 4. Add both the numbers (involve in step 1 & step 2).
For example: Take 2 numbers like 13 and 16.
Step 1) 16 + 3 =19.
Step 2) 19*10 = 190.
Step 3) 3*6 = 18
Step 4. Add the two numbers, 190+18 and the answer is 208.
|
Q1) 12 * 16 :
WhatsApp us