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5. What is missing in each student's understanding? Ann: I had 3 2 1 = 6, and you marked it wrong. But you said



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5. What is missing in each student's understanding? Ann: "I had 3 2 1 = 6, and you marked it wrong. But you said when you multiply negatives, you get a positive." Bobo: "You said two negatives make a positive, but when I did 2 + 3 = +5, my mom said it wasn't correct."

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