Multiplication by 11 has the wonderful trick by which one can multiply any number by 11 (eleven) without use of pen and paper. Such tricks to calculate fast is very helpful because most of the exams for higher level service or engineering test or management tests require skill to do fast solution to elementary math .The timing is crucial in these exams. So , if you know the fastest way to multiply or divide , it saves you plenty of time. Today, fastest way to multiply and divide by 5 is taught. It will take minutes to understand the math trick , but after that you will not need even pen and paper for multiplication by five or division by five.
Math Trick to Multiply By Eleven
Say you want to multiply 67 x 11
Step 1: Add the two number first = 6 + 7 = 13
Step 2 : From the sum , you will take the number other than unit place number i.e in this case unit place number is 3 and orther number is 1 .
Step 3: Add the number other than unit place , with first number and keep the unit place number as it is.
From the forllowing image this will be clear
Lets take another example
879 x 11 = ??
Step 1 :Consider 87 as one number and 9 as another
Step 2: Add : 87 + 9 = 96
Step 3: take 9 out of 96 and add to 87 which comes to 96
Step 4 : Answer is 9669 [ Step 3] [6 out of Step 2 ] [Unit Number of 879]
See the picture below
Now Practice Multiplication Tricks for Eleven
0 of 3 questions completed
Click Start Quiz button to test your knowledge
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
0 of 3 questions answered correctly
Time has elapsed
You have reached 0 of 0 points, (0)
Thanks for being a part
1. Question1 points
45 x 11= ??CorrectIncorrect
2. Question1 points
567 x 11 =??CorrectIncorrect
3. Question1 points
6789 x 11=??CorrectIncorrect