Overmyer02 Overmyer02

18-09-2016
Mathematics

contestada

Draw or write to show two ways to use a doubles fact to find 6+7

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Olyalhic Olyalhic

18-09-2016

if you know 6+6 you know 6+7 because 6+7 is 1 more than 6+6.

6+6=12 while 6+7=13.

Another way to look at it is 7+7=14 so 6+7 is 1 less than it making 6+7=13.

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