christinorthrup christinorthrup

13-11-2019
Mathematics

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Rather made a 10 to figure out sum for 9 + 3. Explain eathens thinking

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gcribben2008 gcribben2008

13-11-2019

Answer: to make it easier

Step-by-step explanation:

well 9+3=12 but taking 1 from the three and making ten then adding 2 is easier

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