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