make a ten or hundred to add mentally 198+132

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03-10-2016
Mathematics

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make a ten or hundred to add mentally 198+132

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aumzak21 aumzak21 · Answer 1 · 2016-10-03T23:08:10+02:00

aumzak21 aumzak21

03-10-2016

2000. Because if you add the 2 it will make 1200, 2+8 is 10 so you carry the 1, and 3+9 is 12 then you add the 1 you got from 10 and you have 13. then you add 1+1 and get 2 and add the 1 you got from 13 so there you have it.

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