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Use pictures or word to explain a strategy you World use to use to find 8 + 9
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Use pictures or word to explain a strategy you World use to use to find 8 + 9
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Oct 25, 2018
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Use pictures or word to explain a strategy you World use to use to find 8 + 9
Mathematics
middle-school
Nandesuka
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Ok, so an easy way that I have used to help me with adding to 9's is imagine that the 9 is 10. if you added 8 + 10 it would be 18. So then you just subtract 1 from 18 which would be the equivalent of 8 + 9. So 8 + 9 is 17.
Klausos Klausos
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Oct 27, 2018
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Klausos Klausos
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9+9=18 -1 hope this helped
Nance
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Nov 1, 2018
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