Use counters to add –4 + –7.
Solution
To add -4 and -7 using counters, follow these steps:
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Represent -4 on your counter. Since it's a negative number, you would have 4 negative counters.
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Next, represent -7 on your counter. You would add 7 more negative counters.
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Now, count all the negative counters together.
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You should have a total of 11 negative counters.
So, -4 + -7 equals -11.
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