- Aug 23, 2007
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how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
That's why there are calculatorz doodhow to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
@JJs07 All is good brah. Heartbeat 152 and kicking away
nice.
you mentionned the wrong person though
Had to take off my Ugg boots cuz it got too warm....
Studying on a Friday night, yay.
So beat right now.
square any number that ends with 5?That's why there are calculatorz doodhow to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
you're adding in an extra step of addition which can get quite complicated with bigger number...this is more intuative.how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
Wrong.. the best ay to multiply by 11 in your head... multiply the number by 10, the add the number to the outcome...
5 x 11 = 55
5x 10 = 50 50 + 5 = 55
130 x 11 =1430
130 x 10 = 1300 1300 + 130 = 1430
da pudin is da proof!Can't eem read da math posts all I know is da proof is in da puddin
you're adding in an extra step of addition which can get quite complicated with bigger number...this is more intuative.
how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
Wrong.. the best ay to multiply by 11 in your head... multiply the number by 10, the add the number to the outcome...
5 x 11 = 55
5x 10 = 50 50 + 5 = 55
130 x 11 =1430
130 x 10 = 1300 1300 + 130 = 1430
I use Celtics way in Math classyou're adding in an extra step of addition which can get quite complicated with bigger number...this is more intuative.how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
Wrong.. the best ay to multiply by 11 in your head... multiply the number by 10, the add the number to the outcome...
5 x 11 = 55
5x 10 = 50 50 + 5 = 55
130 x 11 =1430
130 x 10 = 1300 1300 + 130 = 1430
only one step of addistion...you're busy multiplying and adding...I use Celtics way in Math classyou're adding in an extra step of addition which can get quite complicated with bigger number...this is more intuative.how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
Wrong.. the best ay to multiply by 11 in your head... multiply the number by 10, the add the number to the outcome...
5 x 11 = 55
5x 10 = 50 50 + 5 = 55
130 x 11 =1430
130 x 10 = 1300 1300 + 130 = 1430
ReportedCan't eem read da math posts all I know is da proof is in da puddin
only one step of addistion...you're busy multiplying and adding...
I use Celtics way in Math class
you're adding in an extra step of addition which can get quite complicated with bigger number...this is more intuative.
how to multiply any number by 11 in your head:
e.g. 25*11
put a spece between 2 and 5...
add the two number = 7
put tthe 7 in the space: 275
77???
7...7
7+7=14
(7+1) 4 (7): 847
97???
9...7
9+7=16
(9+1) 6 (7): 1067
Wrong.. the best ay to multiply by 11 in your head... multiply the number by 10, the add the number to the outcome...
5 x 11 = 55
5x 10 = 50 50 + 5 = 55
130 x 11 =1430
130 x 10 = 1300 1300 + 130 = 1430
when youre selling 11 bricks for $7500 each you have to be able to do the math quick! word to beh!