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Easy with eleven
this is an easy trick for multiplying double-digit number by 11
example: 15 x 11
1.)add the digits of the number that you are multiplying :1+5 = 6
2.) place the sum of the two numbers between 1 and 5 (15)
3.) so the answer to 15 x 11 is 165
how about bigger numbers like 84 x 11
1.) the same add 8 and 4 =12
2.) put 2 between 8 and 4 (824)
3.) carry and add 1 to the digit at the left that is 8 + 1 =9
4.) and the final answer is 924
hope this helpz..................... :):)
What else can I help you with?
How can you multiply numbers by eleven mentally?
Multiply by ten and add one of the number. 7 x 11 = 70 + 7 23 x 11 = 230 + 23 = 253.
What two numbers add up to make eleven and multiply together to make twenty eight?
4 and 7
How do you write Eleven thousand and eleven in numbers?
11,011 is how you write eleven thousand eleven
What are the 2 ways to multiply?
You can do lattice, or do it mentally
What equals 11 by multiply?
Only one and eleven. Eleven is a prime number. Prime numbers are divisible by one and themselves only.
What two numbers multiply to negative sixty but also add to negative eleven?
(-15) x 4 = -60 -15 + 4 = -11 ~Jason
What is an eleven letter word for multiply?
proliferate
What do you get when you multiply numbers?
When you multiply numbers, you get their product.
How do you write numbers in the eleven thousand eleven hundred eleven?
They are: 11,000+1,100+11 = 12,111
What are the patterns and properties to compute mentally for 120 times 30?
The patterns and properties to compute mentally 120 times 30 is the numbers 12 and 3 plus the two 0. Multiply 12 by 3 (36) and add the two 0 (3600).
What is the word for easy to divide mentally?
Compatible numbers can easily be divided mentally.
What word represents numbers that are easy to divide mentally?
easy to divide mentally
