30-09-2016
Mathematics

contestada

Use mental mAth to solve 122+306

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JulieC246 JulieC246

30-09-2016

122
+ 306
-------------
428

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sophia47 sophia47

30-09-2016

Mental math is using your brain so you would separate the problem into pieces to make it easier, for example first you would do 100 + 300 = 400 them add (22+6) which is 28 so 400 plus 28 is 428

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