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Mathematics, 07.08.2021 09:30 edenlbarfield

Annie is adding the expression 4 + 5 + (–4) and follows the procedure of starting at 4, moving right 5 units, and then moving left 4 units. Beth says she knows another way to find the sum, using the additive inverse property. What procedure could Beth use?


Annie is adding the expression 4 + 5 + (–4) and follows the procedure of starting at 4, moving righ

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Annie is adding the expression 4 + 5 + (–4) and follows the procedure of starting at 4, moving right...

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