Seudónimo
Seudónimo
04-11-2016
Mathematics
contestada
Solve and explain your "Math Thinking" 12-7
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diamond03
diamond03
04-11-2016
12 - 7 is 5. you can count down 7 times from 12 like: 12, 11, 10, 9, 8, 7, 6, 5.
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bandsandfand0ms
bandsandfand0ms
04-11-2016
The way I do this is I start at 7, and count up to 12. 7, 8, 9, 10, 11, 12. And then I count how many numbers are there between 7 and 12. And there is 5. This is how I did subtraction in Elementary school.
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