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Mathematics 7 Online
OpenStudy (swaugh):

Explain how to find the sum positive eight plus negative ten using game chips.

OpenStudy (janu16):

positive number and negative numbers with zero in the middle. You count up from zero on the positive side eight chips and then you add negative 10 by going back toward zero and past to two places and that is negative two. Cause +8 + -10 = -2

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